253449892 has 24 divisors (see below), whose sum is σ = 470463840. Its totient is φ = 119134080.

The previous prime is 253449887. The next prime is 253449901. The reversal of 253449892 is 298944352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (19602660).

Almost surely, 2^253449892 is an apocalyptic number.

It is an amenable number.

253449892 is a deficient number, since it is larger than the sum of its proper divisors (217013948).

253449892 is a wasteful number, since it uses less digits than its factorization.

253449892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25611 (or 25609 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 253449892 is about 15920.1096729891. The cubic root of 253449892 is about 632.8450247739.

The spelling of 253449892 in words is "two hundred fifty-three million, four hundred forty-nine thousand, eight hundred ninety-two".