252525430 has 16 divisors (see below), whose sum is σ = 454791024. Its totient is φ = 100955680.

The previous prime is 252525391. The next prime is 252525431. The reversal of 252525430 is 34525252.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252525431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16425 + ... + 27835.

It is an arithmetic number, because the mean of its divisors is an integer number (28424439).

Almost surely, 2^252525430 is an apocalyptic number.

252525430 is a deficient number, since it is larger than the sum of its proper divisors (202265594).

252525430 is a wasteful number, since it uses less digits than its factorization.

252525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 252525430 is about 15891.0487382048. The cubic root of 252525430 is about 632.0746503580.

The spelling of 252525430 in words is "two hundred fifty-two million, five hundred twenty-five thousand, four hundred thirty".