64251914 has 16 divisors (see below), whose sum is σ = 99042048. Its totient is φ = 31246512.

The previous prime is 64251911. The next prime is 64251937. The reversal of 64251914 is 41915246.

It is not an unprimeable number, because it can be changed into a prime (64251911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13652 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (6190128).

Almost surely, 2^64251914 is an apocalyptic number.

64251914 is a deficient number, since it is larger than the sum of its proper divisors (34790134).

64251914 is a wasteful number, since it uses less digits than its factorization.

64251914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its digits is 8640, while the sum is 32.

The square root of 64251914 is about 8015.7291620912. The cubic root of 64251914 is about 400.5241337429.

The spelling of 64251914 in words is "sixty-four million, two hundred fifty-one thousand, nine hundred fourteen".