253416325813 has 4 divisors (see below), whose sum is σ = 289618658080. Its totient is φ = 217213993548.

The previous prime is 253416325787. The next prime is 253416325831. The reversal of 253416325813 is 318523614352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253416325813 is a prime.

It is a super-2 number, since 2×253416325813² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253416325813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253416320813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18101166123 + ... + 18101166136.

It is an arithmetic number, because the mean of its divisors is an integer number (72404664520).

Almost surely, 2^253416325813 is an apocalyptic number.

It is an amenable number.

253416325813 is a deficient number, since it is larger than the sum of its proper divisors (36202332267).

253416325813 is an equidigital number, since it uses as much as digits as its factorization.

253416325813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36202332266.

The product of its digits is 518400, while the sum is 43.

The spelling of 253416325813 in words is "two hundred fifty-three billion, four hundred sixteen million, three hundred twenty-five thousand, eight hundred thirteen".