253872099 has 24 divisors (see below), whose sum is σ = 396238752. Its totient is φ = 155704320.

The previous prime is 253872089. The next prime is 253872107. The reversal of 253872099 is 990278352.

253872099 is a `hidden beast` number, since 2 + 538 + 7 + 20 + 99 = 666.

It is not a de Polignac number, because 253872099 - 2⁷ = 253871971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253872019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32899 + ... + 39875.

It is an arithmetic number, because the mean of its divisors is an integer number (16509948).

Almost surely, 2^253872099 is an apocalyptic number.

253872099 is a deficient number, since it is larger than the sum of its proper divisors (142366653).

253872099 is a wasteful number, since it uses less digits than its factorization.

253872099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307 (or 7304 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 253872099 is about 15933.3643340005. The cubic root of 253872099 is about 633.1962360373.

The spelling of 253872099 in words is "two hundred fifty-three million, eight hundred seventy-two thousand, ninety-nine".