252525785 has 8 divisors (see below), whose sum is σ = 303120576. Its totient is φ = 201960880.

The previous prime is 252525773. The next prime is 252525811. The reversal of 252525785 is 587525252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-252525785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20972 + ... + 30738.

It is an arithmetic number, because the mean of its divisors is an integer number (37890072).

Almost surely, 2^252525785 is an apocalyptic number.

It is an amenable number.

252525785 is a deficient number, since it is larger than the sum of its proper divisors (50594791).

252525785 is an equidigital number, since it uses as much as digits as its factorization.

252525785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14943.

The product of its digits is 280000, while the sum is 41.

The square root of 252525785 is about 15891.0599080112. The cubic root of 252525785 is about 632.0749465478.

The spelling of 252525785 in words is "two hundred fifty-two million, five hundred twenty-five thousand, seven hundred eighty-five".