252125404425 has 36 divisors (see below), whose sum is σ = 457025425584. Its totient is φ = 132846789600.

The previous prime is 252125404409. The next prime is 252125404439. The reversal of 252125404425 is 524404521252.

252125404425 is a `hidden beast` number, since 2 + 52 + 1 + 2 + 540 + 44 + 25 = 666.

It is not a de Polignac number, because 252125404425 - 2⁴ = 252125404409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252125404425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6731671 + ... + 6769020.

Almost surely, 2^252125404425 is an apocalyptic number.

252125404425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252125404425 is a deficient number, since it is larger than the sum of its proper divisors (204900021159).

252125404425 is a wasteful number, since it uses less digits than its factorization.

252125404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13500790 (or 13500782 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 252125404425 its reverse (524404521252), we get a palindrome (776529925677).

The spelling of 252125404425 in words is "two hundred fifty-two billion, one hundred twenty-five million, four hundred four thousand, four hundred twenty-five".