65514021 has 8 divisors (see below), whose sum is σ = 87410400. Its totient is φ = 43646832.

The previous prime is 65514011. The next prime is 65514041. The reversal of 65514021 is 12041556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65514021 - 2²¹ = 63416869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65513982 and 65514000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65514011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (10926300).

Almost surely, 2^65514021 is an apocalyptic number.

It is an amenable number.

65514021 is a deficient number, since it is larger than the sum of its proper divisors (21896379).

65514021 is a wasteful number, since it uses less digits than its factorization.

65514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14595.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 65514021 is about 8094.0732020411. The cubic root of 65514021 is about 403.1296596301.

Adding to 65514021 its reverse (12041556), we get a palindrome (77555577).

The spelling of 65514021 in words is "sixty-five million, five hundred fourteen thousand, twenty-one".