253315851 has 24 divisors (see below), whose sum is σ = 348094464. Its totient is φ = 163845360.

The previous prime is 253315837. The next prime is 253315897. The reversal of 253315851 is 158513352.

253315851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253315851 - 2⁵ = 253315819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253310851) 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, 1326166 + ... + 1326356.

It is an arithmetic number, because the mean of its divisors is an integer number (14503936).

Almost surely, 2^253315851 is an apocalyptic number.

253315851 is a deficient number, since it is larger than the sum of its proper divisors (94778613).

253315851 is a wasteful number, since it uses less digits than its factorization.

253315851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 380 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 253315851 is about 15915.8993148361. The cubic root of 253315851 is about 632.7334417205.

The spelling of 253315851 in words is "two hundred fifty-three million, three hundred fifteen thousand, eight hundred fifty-one".