252551425 has 12 divisors (see below), whose sum is σ = 357901696. Its totient is φ = 173178000.

The previous prime is 252551423. The next prime is 252551443. The reversal of 252551425 is 524155252.

It is a happy number.

It is not a de Polignac number, because 252551425 - 2¹ = 252551423 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252551423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721401 + ... + 721750.

Almost surely, 2^252551425 is an apocalyptic number.

252551425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252551425 is a deficient number, since it is larger than the sum of its proper divisors (105350271).

252551425 is a wasteful number, since it uses less digits than its factorization.

252551425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443168 (or 1443163 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 252551425 is about 15891.8666304497. The cubic root of 252551425 is about 632.0963382289.

The spelling of 252551425 in words is "two hundred fifty-two million, five hundred fifty-one thousand, four hundred twenty-five".