253415320451 has 4 divisors (see below), whose sum is σ = 255875663472. Its totient is φ = 250954977432.

The previous prime is 253415320427. The next prime is 253415320481. The reversal of 253415320451 is 154023514352.

253415320451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253415320451 - 2¹⁰ = 253415319427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253415320481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230171356 + ... + 1230171561.

It is an arithmetic number, because the mean of its divisors is an integer number (63968915868).

Almost surely, 2^253415320451 is an apocalyptic number.

253415320451 is a deficient number, since it is larger than the sum of its proper divisors (2460343021).

253415320451 is a wasteful number, since it uses less digits than its factorization.

253415320451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460343020.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 253415320451 in words is "two hundred fifty-three billion, four hundred fifteen million, three hundred twenty thousand, four hundred fifty-one".