252133158925 has 12 divisors (see below), whose sum is σ = 312692429236. Its totient is φ = 201676003200.

The previous prime is 252133158847. The next prime is 252133158929. The reversal of 252133158925 is 529851331252.

It can be written as a sum of positive squares in 6 ways, for example, as 51999505156 + 200133653769 = 228034^2 + 447363^2 .

It is not a de Polignac number, because 252133158925 - 2⁹ = 252133158413 is a prime.

It is a super-2 number, since 2×252133158925² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252133158929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593856 + ... + 925705.

Almost surely, 2^252133158925 is an apocalyptic number.

252133158925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252133158925 is a deficient number, since it is larger than the sum of its proper divisors (60559270311).

252133158925 is a wasteful number, since it uses less digits than its factorization.

252133158925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526208 (or 1526203 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The spelling of 252133158925 in words is "two hundred fifty-two billion, one hundred thirty-three million, one hundred fifty-eight thousand, nine hundred twenty-five".