515672525 has 12 divisors (see below), whose sum is σ = 640069524. Its totient is φ = 412128000.

The previous prime is 515672501. The next prime is 515672527. The reversal of 515672525 is 525276515.

515672525 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 20921476 + 494751049 = 4574^2 + 22243^2 .

It is not a de Polignac number, because 515672525 - 2²² = 511478221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515672527) 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 11 ways as a sum of consecutive naturals, for example, 16805 + ... + 36245.

It is an arithmetic number, because the mean of its divisors is an integer number (53339127).

Almost surely, 2^515672525 is an apocalyptic number.

It is an amenable number.

515672525 is a deficient number, since it is larger than the sum of its proper divisors (124396999).

515672525 is a wasteful number, since it uses less digits than its factorization.

515672525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20512 (or 20507 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 515672525 is about 22708.4240976779. The cubic root of 515672525 is about 801.9082181977.

The spelling of 515672525 in words is "five hundred fifteen million, six hundred seventy-two thousand, five hundred twenty-five".