250025000625 has 135 divisors (see below), whose sum is σ = 463166691559. Its totient is φ = 129926496000.

The previous prime is 250025000593. The next prime is 250025000651. The reversal of 250025000625 is 526000520052.

The square root of 250025000625 is 500025.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 244392798321 + 5632202304 = 494361^2 + 75048^2 .

It is not a de Polignac number, because 250025000625 - 2⁵ = 250025000593 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2212610569 + ... + 2212610681.

Almost surely, 2^250025000625 is an apocalyptic number.

250025000625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

250025000625 is the 500025-th square number.

250025000625 is the 250013-rd centered octagonal number.

It is an amenable number.

250025000625 is a deficient number, since it is larger than the sum of its proper divisors (213141690934).

250025000625 is an frugal number, since it uses more digits than its factorization.

250025000625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 250025000625 its reverse (526000520052), we get a palindrome (776025520677).

The spelling of 250025000625 in words is "two hundred fifty billion, twenty-five million, six hundred twenty-five", and thus it is an aban number.