253155916 has 24 divisors (see below), whose sum is σ = 479941280. Its totient is φ = 116837136.

The previous prime is 253155911. The next prime is 253155919. The reversal of 253155916 is 619551352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253155911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 23191.

Almost surely, 2^253155916 is an apocalyptic number.

253155916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

253155916 is a deficient number, since it is larger than the sum of its proper divisors (226785364).

253155916 is a wasteful number, since it uses less digits than its factorization.

253155916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28850 (or 28822 counting only the distinct ones).

The product of its digits is 40500, while the sum is 37.

The square root of 253155916 is about 15910.8741431764. The cubic root of 253155916 is about 632.6002515716.

The spelling of 253155916 in words is "two hundred fifty-three million, one hundred fifty-five thousand, nine hundred sixteen".