503250525 has 36 divisors (see below), whose sum is σ = 904188532. Its totient is φ = 267563520.

The previous prime is 503250521. The next prime is 503250563. The reversal of 503250525 is 525052305.

It can be written as a sum of positive squares in 6 ways, for example, as 157402116 + 345848409 = 12546^2 + 18597^2 .

It is not a de Polignac number, because 503250525 - 2² = 503250521 is a prime.

It is a super-2 number, since 2×503250525² = 506522181825551250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503250521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72507 + ... + 79143.

Almost surely, 2^503250525 is an apocalyptic number.

It is an amenable number.

503250525 is a deficient number, since it is larger than the sum of its proper divisors (400938007).

503250525 is a wasteful number, since it uses less digits than its factorization.

503250525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 6982 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 503250525 is about 22433.2459755605. The cubic root of 503250525 is about 795.4167744687.

The spelling of 503250525 in words is "five hundred three million, two hundred fifty thousand, five hundred twenty-five".