252055430 has 32 divisors (see below), whose sum is σ = 524063520. Its totient is φ = 86264320.

The previous prime is 252055429. The next prime is 252055469. The reversal of 252055430 is 34550252.

It is a self number, because there is not a number n which added to its sum of digits gives 252055430.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 65525 + ... + 69264.

It is an arithmetic number, because the mean of its divisors is an integer number (16376985).

Almost surely, 2^252055430 is an apocalyptic number.

252055430 is an abundant number, since it is smaller than the sum of its proper divisors (272008090).

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

252055430 is a wasteful number, since it uses less digits than its factorization.

252055430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134824.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252055430 is about 15876.2536512869. The cubic root of 252055430 is about 631.6822679859.

The spelling of 252055430 in words is "two hundred fifty-two million, fifty-five thousand, four hundred thirty".