64430252 has 6 divisors (see below), whose sum is σ = 112752948. Its totient is φ = 32215124.

The previous prime is 64430251. The next prime is 64430263. The reversal of 64430252 is 25203446.

64430252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64430251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8053778 + ... + 8053785.

It is an arithmetic number, because the mean of its divisors is an integer number (18792158).

Almost surely, 2^64430252 is an apocalyptic number.

It is an amenable number.

64430252 is a deficient number, since it is larger than the sum of its proper divisors (48322696).

64430252 is a wasteful number, since it uses less digits than its factorization.

64430252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107567 (or 16107565 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 64430252 is about 8026.8457067518. The cubic root of 64430252 is about 400.8943571562.

Adding to 64430252 its reverse (25203446), we get a palindrome (89633698).

The spelling of 64430252 in words is "sixty-four million, four hundred thirty thousand, two hundred fifty-two".