252525459 has 4 divisors (see below), whose sum is σ = 336700616. Its totient is φ = 168350304.

The previous prime is 252525451. The next prime is 252525509. The reversal of 252525459 is 954525252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 252525459 - 2³ = 252525451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252525451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42087574 + ... + 42087579.

It is an arithmetic number, because the mean of its divisors is an integer number (84175154).

Almost surely, 2^252525459 is an apocalyptic number.

252525459 is a deficient number, since it is larger than the sum of its proper divisors (84175157).

252525459 is an equidigital number, since it uses as much as digits as its factorization.

252525459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175156.

The product of its digits is 180000, while the sum is 39.

The square root of 252525459 is about 15891.0496506681. The cubic root of 252525459 is about 632.0746745538.

The spelling of 252525459 in words is "two hundred fifty-two million, five hundred twenty-five thousand, four hundred fifty-nine".