513225616552 has 16 divisors (see below), whose sum is σ = 1049779670400. Its totient is φ = 233284371120.

The previous prime is 513225616433. The next prime is 513225616559. The reversal of 513225616552 is 255616522315.

It is a junction number, because it is equal to n+sod(n) for n = 513225616499 and 513225616508.

It is not an unprimeable number, because it can be changed into a prime (513225616559) 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, 2916054552 + ... + 2916054727.

It is an arithmetic number, because the mean of its divisors is an integer number (65611229400).

Almost surely, 2^513225616552 is an apocalyptic number.

It is an amenable number.

513225616552 is an abundant number, since it is smaller than the sum of its proper divisors (536554053848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513225616552 is a wasteful number, since it uses less digits than its factorization.

513225616552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832109296 (or 5832109292 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

The spelling of 513225616552 in words is "five hundred thirteen billion, two hundred twenty-five million, six hundred sixteen thousand, five hundred fifty-two".