513371655452 has 48 divisors (see below), whose sum is σ = 907507292160. Its totient is φ = 254099607552.

The previous prime is 513371655451. The next prime is 513371655479. The reversal of 513371655452 is 254556173315.

It is a junction number, because it is equal to n+sod(n) for n = 513371655397 and 513371655406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513371655451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273505538 + ... + 273507414.

It is an arithmetic number, because the mean of its divisors is an integer number (18906401920).

Almost surely, 2^513371655452 is an apocalyptic number.

It is an amenable number.

513371655452 is a deficient number, since it is larger than the sum of its proper divisors (394135636708).

513371655452 is a wasteful number, since it uses less digits than its factorization.

513371655452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3628 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 47.

The spelling of 513371655452 in words is "five hundred thirteen billion, three hundred seventy-one million, six hundred fifty-five thousand, four hundred fifty-two".