64315250 has 64 divisors (see below), whose sum is σ = 131245920. Its totient is φ = 23500800.

The previous prime is 64315249. The next prime is 64315253. The reversal of 64315250 is 5251346.

It can be written as a sum of positive squares in 16 ways, for example, as 10042561 + 54272689 = 3169^2 + 7367^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (64315253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157046 + ... + 157454.

Almost surely, 2^64315250 is an apocalyptic number.

64315250 is an abundant number, since it is smaller than the sum of its proper divisors (66930670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64315250 is a wasteful number, since it uses less digits than its factorization.

64315250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64315250 is about 8019.6789212536. The cubic root of 64315250 is about 400.6556954049.

Adding to 64315250 its reverse (5251346), we get a palindrome (69566596).

The spelling of 64315250 in words is "sixty-four million, three hundred fifteen thousand, two hundred fifty".