253813303 has 16 divisors (see below), whose sum is σ = 274792896. Its totient is φ = 233798400.

The previous prime is 253813289. The next prime is 253813369. The reversal of 253813303 is 303318352.

It is a happy number.

253813303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253813303 - 2²¹ = 251716151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253819303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84475 + ... + 87427.

It is an arithmetic number, because the mean of its divisors is an integer number (17174556).

Almost surely, 2^253813303 is an apocalyptic number.

253813303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253813303 is a deficient number, since it is larger than the sum of its proper divisors (20979593).

253813303 is a wasteful number, since it uses less digits than its factorization.

253813303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 253813303 is about 15931.5191679890. The cubic root of 253813303 is about 633.1473501607.

The spelling of 253813303 in words is "two hundred fifty-three million, eight hundred thirteen thousand, three hundred three".