64250507 has 12 divisors (see below), whose sum is σ = 67549248. Its totient is φ = 61048800.

The previous prime is 64250503. The next prime is 64250513. The reversal of 64250507 is 70505246.

64250507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64250507 - 2² = 64250503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64250507.

It is not an unprimeable number, because it can be changed into a prime (64250503) 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 in 11 ways as a sum of consecutive naturals, for example, 115073 + ... + 115629.

It is an arithmetic number, because the mean of its divisors is an integer number (5629104).

Almost surely, 2^64250507 is an apocalyptic number.

64250507 is a deficient number, since it is larger than the sum of its proper divisors (3298741).

64250507 is an equidigital number, since it uses as much as digits as its factorization.

64250507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 64250507 is about 8015.6413966694. The cubic root of 64250507 is about 400.5212101383.

The spelling of 64250507 in words is "sixty-four million, two hundred fifty thousand, five hundred seven".