252151430 has 32 divisors (see below), whose sum is σ = 463015008. Its totient is φ = 98841600.

The previous prime is 252151399. The next prime is 252151483. The reversal of 252151430 is 34151252.

It is a junction number, because it is equal to n+sod(n) for n = 252151396 and 252151405.

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, 214745 + ... + 215915.

It is an arithmetic number, because the mean of its divisors is an integer number (14469219).

Almost surely, 2^252151430 is an apocalyptic number.

252151430 is a deficient number, since it is larger than the sum of its proper divisors (210863578).

252151430 is a wasteful number, since it uses less digits than its factorization.

252151430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 252151430 is about 15879.2767467539. The cubic root of 252151430 is about 631.7624537881.

The spelling of 252151430 in words is "two hundred fifty-two million, one hundred fifty-one thousand, four hundred thirty".