253402315 has 8 divisors (see below), whose sum is σ = 307218240. Its totient is φ = 200631552.

The previous prime is 253402291. The next prime is 253402327. The reversal of 253402315 is 513204352.

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 253402315 - 2⁵ = 253402283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253402315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260755 + ... + 261724.

It is an arithmetic number, because the mean of its divisors is an integer number (38402280).

Almost surely, 2^253402315 is an apocalyptic number.

253402315 is a deficient number, since it is larger than the sum of its proper divisors (53815925).

253402315 is an equidigital number, since it uses as much as digits as its factorization.

253402315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522581.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 253402315 is about 15918.6153606399. The cubic root of 253402315 is about 632.8054235839.

Adding to 253402315 its reverse (513204352), we get a palindrome (766606667).

The spelling of 253402315 in words is "two hundred fifty-three million, four hundred two thousand, three hundred fifteen".