253111465 has 8 divisors (see below), whose sum is σ = 304254720. Its totient is φ = 202141872.

The previous prime is 253111457. The next prime is 253111471. The reversal of 253111465 is 564111352.

253111465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253111465 - 2³ = 253111457 is a prime.

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, 40185 + ... + 46054.

It is an arithmetic number, because the mean of its divisors is an integer number (38031840).

Almost surely, 2^253111465 is an apocalyptic number.

It is an amenable number.

253111465 is a deficient number, since it is larger than the sum of its proper divisors (51143255).

253111465 is an equidigital number, since it uses as much as digits as its factorization.

253111465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86831.

The product of its digits is 3600, while the sum is 28.

The square root of 253111465 is about 15909.4772069983. The cubic root of 253111465 is about 632.5632238508.

The spelling of 253111465 in words is "two hundred fifty-three million, one hundred eleven thousand, four hundred sixty-five".