252525045 has 16 divisors (see below), whose sum is σ = 404763840. Its totient is φ = 134438784.

The previous prime is 252524983. The next prime is 252525059. The reversal of 252525045 is 540525252.

It is not a de Polignac number, because 252525045 - 2⁷ = 252524917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6259 + ... + 23328.

It is an arithmetic number, because the mean of its divisors is an integer number (25297740).

Almost surely, 2^252525045 is an apocalyptic number.

It is an amenable number.

252525045 is a deficient number, since it is larger than the sum of its proper divisors (152238795).

252525045 is a wasteful number, since it uses less digits than its factorization.

252525045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30164.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 252525045 is about 15891.0366244622. The cubic root of 252525045 is about 632.0743291377.

The spelling of 252525045 in words is "two hundred fifty-two million, five hundred twenty-five thousand, forty-five".