253918192 has 20 divisors (see below), whose sum is σ = 536691096. Its totient is φ = 115417280.

The previous prime is 253918153. The next prime is 253918193. The reversal of 253918192 is 291819352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253918193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721183 + ... + 721534.

Almost surely, 2^253918192 is an apocalyptic number.

253918192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253918192 is an abundant number, since it is smaller than the sum of its proper divisors (282772904).

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

253918192 is a wasteful number, since it uses less digits than its factorization.

253918192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442736 (or 1442730 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 253918192 is about 15934.8106985932. The cubic root of 253918192 is about 633.2345547393.

The spelling of 253918192 in words is "two hundred fifty-three million, nine hundred eighteen thousand, one hundred ninety-two".