252490492 has 12 divisors (see below), whose sum is σ = 446148976. Its totient is φ = 125019360.

The previous prime is 252490471. The next prime is 252490517. The reversal of 252490492 is 294094252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306009 + ... + 306832.

Almost surely, 2^252490492 is an apocalyptic number.

It is an amenable number.

252490492 is a deficient number, since it is larger than the sum of its proper divisors (193658484).

252490492 is a wasteful number, since it uses less digits than its factorization.

252490492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612948 (or 612946 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 252490492 is about 15889.9494020592. The cubic root of 252490492 is about 632.0454989142.

The spelling of 252490492 in words is "two hundred fifty-two million, four hundred ninety thousand, four hundred ninety-two".