513422524355452 has 24 divisors (see below), whose sum is σ = 936655847713152. Its totient is φ = 245970548232000.

The previous prime is 513422524355441. The next prime is 513422524355557. The reversal of 513422524355452 is 254553425224315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 513422524355452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20497533163 + ... + 20497558210.

It is an arithmetic number, because the mean of its divisors is an integer number (39027326988048).

Almost surely, 2^{513422524355452} is an apocalyptic number.

It is an amenable number.

513422524355452 is a deficient number, since it is larger than the sum of its proper divisors (423233323357700).

513422524355452 is a wasteful number, since it uses less digits than its factorization.

513422524355452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40995091509 (or 40995091507 counting only the distinct ones).

The product of its digits is 28800000, while the sum is 52.

Adding to 513422524355452 its reverse (254553425224315), we get a palindrome (767975949579767).

The spelling of 513422524355452 in words is "five hundred thirteen trillion, four hundred twenty-two billion, five hundred twenty-four million, three hundred fifty-five thousand, four hundred fifty-two".