64360252 has 24 divisors (see below), whose sum is σ = 123706800. Its totient is φ = 29055360.

The previous prime is 64360243. The next prime is 64360259. The reversal of 64360252 is 25206346.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64360252.

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, 1648 + ... + 11464.

It is an arithmetic number, because the mean of its divisors is an integer number (5154450).

Almost surely, 2^64360252 is an apocalyptic number.

It is an amenable number.

64360252 is a deficient number, since it is larger than the sum of its proper divisors (59346548).

64360252 is a wasteful number, since it uses less digits than its factorization.

64360252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64360252 is about 8022.4841539264. The cubic root of 64360252 is about 400.7491211679.

Adding to 64360252 its reverse (25206346), we get a palindrome (89566598).

The spelling of 64360252 in words is "sixty-four million, three hundred sixty thousand, two hundred fifty-two".