64253013 has 32 divisors (see below), whose sum is σ = 100870272. Its totient is φ = 35942400.

The previous prime is 64252997. The next prime is 64253017. The reversal of 64253013 is 31035246.

It is a happy number.

It is not a de Polignac number, because 64253013 - 2⁴ = 64252997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64253017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28653 + ... + 30813.

It is an arithmetic number, because the mean of its divisors is an integer number (3152196).

Almost surely, 2^64253013 is an apocalyptic number.

It is an amenable number.

64253013 is a deficient number, since it is larger than the sum of its proper divisors (36617259).

64253013 is a wasteful number, since it uses less digits than its factorization.

64253013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 64253013 is about 8015.7977145135. The cubic root of 64253013 is about 400.5264173248.

Adding to 64253013 its reverse (31035246), we get a palindrome (95288259).

The spelling of 64253013 in words is "sixty-four million, two hundred fifty-three thousand, thirteen".