65626201 has 3 divisors (see below), whose sum is σ = 65634303. Its totient is φ = 65618100.

The previous prime is 65626193. The next prime is 65626229. The reversal of 65626201 is 10262656.

The square root of 65626201 is 8101.

It is a perfect power (a square), and thus also a powerful number.

65626201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 65593801 + 32400 = 8099^2 + 180^2 .

It is not a de Polignac number, because 65626201 - 2³ = 65626193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65626201.

It is not an unprimeable number, because it can be changed into a prime (63626201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4051 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (21878101).

Almost surely, 2^65626201 is an apocalyptic number.

65626201 is the 8101-st square number.

65626201 is the 4051-st centered octagonal number.

It is an amenable number.

65626201 is a deficient number, since it is larger than the sum of its proper divisors (8102).

65626201 is an frugal number, since it uses more digits than its factorization.

65626201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16202 (or 8101 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 65626201 is about 403.3596220979.

Adding to 65626201 its reverse (10262656), we get a palindrome (75888857).

The spelling of 65626201 in words is "sixty-five million, six hundred twenty-six thousand, two hundred one".