64100252 has 12 divisors (see below), whose sum is σ = 112325976. Its totient is φ = 32007120.

The previous prime is 64100227. The next prime is 64100263. The reversal of 64100252 is 25200146.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7274 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (9360498).

Almost surely, 2^64100252 is an apocalyptic number.

It is an amenable number.

64100252 is a deficient number, since it is larger than the sum of its proper divisors (48225724).

64100252 is a wasteful number, since it uses less digits than its factorization.

64100252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 64100252 is about 8006.2632981935. The cubic root of 64100252 is about 400.2087493736.

Adding to 64100252 its reverse (25200146), we get a palindrome (89300398).

The spelling of 64100252 in words is "sixty-four million, one hundred thousand, two hundred fifty-two".