252127525 has 12 divisors (see below), whose sum is σ = 336687652. Its totient is φ = 186186240.

The previous prime is 252127517. The next prime is 252127529. The reversal of 252127525 is 525721252.

It can be written as a sum of positive squares in 6 ways, for example, as 16641 + 252110884 = 129^2 + 15878^2 .

It is not a de Polignac number, because 252127525 - 2³ = 252127517 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 (252127529) 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, 387564 + ... + 388213.

Almost surely, 2^252127525 is an apocalyptic number.

252127525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252127525 is a deficient number, since it is larger than the sum of its proper divisors (84560127).

252127525 is a wasteful number, since it uses less digits than its factorization.

252127525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775800 (or 775795 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 252127525 is about 15878.5240183085. The cubic root of 252127525 is about 631.7424885913.

Adding to 252127525 its reverse (525721252), we get a palindrome (777848777).

The spelling of 252127525 in words is "two hundred fifty-two million, one hundred twenty-seven thousand, five hundred twenty-five".