252385730 has 16 divisors (see below), whose sum is σ = 456580800. Its totient is φ = 100446192.

The previous prime is 252385699. The next prime is 252385733. The reversal of 252385730 is 37583252.

It is not an unprimeable number, because it can be changed into a prime (252385733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61424 + ... + 65403.

It is an arithmetic number, because the mean of its divisors is an integer number (28536300).

Almost surely, 2^252385730 is an apocalyptic number.

252385730 is a deficient number, since it is larger than the sum of its proper divisors (204195070).

252385730 is a wasteful number, since it uses less digits than its factorization.

252385730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127033.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 252385730 is about 15886.6525737803. The cubic root of 252385730 is about 631.9580718459.

The spelling of 252385730 in words is "two hundred fifty-two million, three hundred eighty-five thousand, seven hundred thirty".