252915854 has 4 divisors (see below), whose sum is σ = 379373784. Its totient is φ = 126457926.

The previous prime is 252915847. The next prime is 252915869. The reversal of 252915854 is 458519252.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 63228962 + ... + 63228965.

It is an arithmetic number, because the mean of its divisors is an integer number (94843446).

Almost surely, 2^252915854 is an apocalyptic number.

252915854 is a deficient number, since it is larger than the sum of its proper divisors (126457930).

252915854 is a wasteful number, since it uses less digits than its factorization.

252915854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126457929.

The product of its digits is 144000, while the sum is 41.

The square root of 252915854 is about 15903.3283937671. The cubic root of 252915854 is about 632.4002281867.

The spelling of 252915854 in words is "two hundred fifty-two million, nine hundred fifteen thousand, eight hundred fifty-four".