253574394 has 24 divisors (see below), whose sum is σ = 521242848. Its totient is φ = 82237680.

The previous prime is 253574383. The next prime is 253574411. The reversal of 253574394 is 493475352.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7222 + ... + 23649.

It is an arithmetic number, because the mean of its divisors is an integer number (21718452).

Almost surely, 2^253574394 is an apocalyptic number.

253574394 is an abundant number, since it is smaller than the sum of its proper divisors (267668454).

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

253574394 is a wasteful number, since it uses less digits than its factorization.

253574394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950 (or 30913 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 253574394 is about 15924.0194046604. The cubic root of 253574394 is about 632.9486318061.

The spelling of 253574394 in words is "two hundred fifty-three million, five hundred seventy-four thousand, three hundred ninety-four".