252771486 has 32 divisors (see below), whose sum is σ = 552635136. Its totient is φ = 76440000.

The previous prime is 252771473. The next prime is 252771509. The reversal of 252771486 is 684177252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30711 + ... + 38061.

It is an arithmetic number, because the mean of its divisors is an integer number (17269848).

Almost surely, 2^252771486 is an apocalyptic number.

252771486 is an abundant number, since it is smaller than the sum of its proper divisors (299863650).

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

252771486 is a wasteful number, since it uses less digits than its factorization.

252771486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888.

The product of its digits is 188160, while the sum is 42.

The square root of 252771486 is about 15898.7888217939. The cubic root of 252771486 is about 632.2798775751.

The spelling of 252771486 in words is "two hundred fifty-two million, seven hundred seventy-one thousand, four hundred eighty-six".