64080251 has 4 divisors (see below), whose sum is σ = 64541400. Its totient is φ = 63619104.

The previous prime is 64080241. The next prime is 64080257. The reversal of 64080251 is 15208046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64080251 - 2⁶ = 64080187 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 64080251.

It is not an unprimeable number, because it can be changed into a prime (64080257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230366 + ... + 230643.

It is an arithmetic number, because the mean of its divisors is an integer number (16135350).

Almost surely, 2^64080251 is an apocalyptic number.

64080251 is a deficient number, since it is larger than the sum of its proper divisors (461149).

64080251 is a wasteful number, since it uses less digits than its factorization.

64080251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461148.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 64080251 is about 8005.0141161649. The cubic root of 64080251 is about 400.1671197511.

Adding to 64080251 its reverse (15208046), we get a palindrome (79288297).

The spelling of 64080251 in words is "sixty-four million, eighty thousand, two hundred fifty-one".