64360253 has 8 divisors (see below), whose sum is σ = 64958208. Its totient is φ = 63765504.

The previous prime is 64360243. The next prime is 64360259. The reversal of 64360253 is 35206346.

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

It is a cyclic number.

It is not a de Polignac number, because 64360253 - 2⁶ = 64360189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64360259) 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, 56750 + ... + 57872.

It is an arithmetic number, because the mean of its divisors is an integer number (8119776).

Almost surely, 2^64360253 is an apocalyptic number.

It is an amenable number.

64360253 is a deficient number, since it is larger than the sum of its proper divisors (597955).

64360253 is a wasteful number, since it uses less digits than its factorization.

64360253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 64360253 is about 8022.4842162512. The cubic root of 64360253 is about 400.7491232434.

Adding to 64360253 its reverse (35206346), we get a palindrome (99566599).

The spelling of 64360253 in words is "sixty-four million, three hundred sixty thousand, two hundred fifty-three".