252478170 has 48 divisors (see below), whose sum is σ = 750222720. Its totient is φ = 57709152.

The previous prime is 252478157. The next prime is 252478181. The reversal of 252478170 is 71874252.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 199750 + ... + 201009.

It is an arithmetic number, because the mean of its divisors is an integer number (15629640).

Almost surely, 2^252478170 is an apocalyptic number.

252478170 is an abundant number, since it is smaller than the sum of its proper divisors (497744550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252478170 is a wasteful number, since it uses less digits than its factorization.

252478170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400779 (or 400776 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 252478170 is about 15889.5616679630. The cubic root of 252478170 is about 632.0352170863.

The spelling of 252478170 in words is "two hundred fifty-two million, four hundred seventy-eight thousand, one hundred seventy".