252525999 has 16 divisors (see below), whose sum is σ = 377239680. Its totient is φ = 148908960.

The previous prime is 252525991. The next prime is 252526009. The reversal of 252525999 is 999525252.

It is not a de Polignac number, because 252525999 - 2³ = 252525991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252525991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102189 + ... + 104630.

It is an arithmetic number, because the mean of its divisors is an integer number (23577480).

Almost surely, 2^252525999 is an apocalyptic number.

252525999 is a deficient number, since it is larger than the sum of its proper divisors (124713681).

252525999 is a wasteful number, since it uses less digits than its factorization.

252525999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206870.

The product of its digits is 729000, while the sum is 48.

The square root of 252525999 is about 15891.0666413555. The cubic root of 252525999 is about 632.0751250959.

The spelling of 252525999 in words is "two hundred fifty-two million, five hundred twenty-five thousand, nine hundred ninety-nine".