253688099 has 8 divisors (see below), whose sum is σ = 290293248. Its totient is φ = 217173960.

The previous prime is 253688069. The next prime is 253688101. The reversal of 253688099 is 990886352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253688099 - 2⁸ = 253687843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253688069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16667 + ... + 28020.

It is an arithmetic number, because the mean of its divisors is an integer number (36286656).

Almost surely, 2^253688099 is an apocalyptic number.

253688099 is a deficient number, since it is larger than the sum of its proper divisors (36605149).

253688099 is an equidigital number, since it uses as much as digits as its factorization.

253688099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45505.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 253688099 is about 15927.5892400576. The cubic root of 253688099 is about 633.0432242562.

The spelling of 253688099 in words is "two hundred fifty-three million, six hundred eighty-eight thousand, ninety-nine".