513423401355325 has 24 divisors (see below), whose sum is σ = 636944739802560. Its totient is φ = 410545373481600.

The previous prime is 513423401355323. The next prime is 513423401355373. The reversal of 513423401355325 is 523553104324315.

It is not a de Polignac number, because 513423401355325 - 2¹ = 513423401355323 is a prime.

It is a super-2 number, since 2×513423401355325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513423401355323) 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, 988688745 + ... + 989207905.

It is an arithmetic number, because the mean of its divisors is an integer number (26539364158440).

Almost surely, 2^{513423401355325} is an apocalyptic number.

It is an amenable number.

513423401355325 is a deficient number, since it is larger than the sum of its proper divisors (123521338447235).

513423401355325 is a wasteful number, since it uses less digits than its factorization.

513423401355325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537717 (or 537712 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 513423401355325 in words is "five hundred thirteen trillion, four hundred twenty-three billion, four hundred one million, three hundred fifty-five thousand, three hundred twenty-five".