513213143552532 has 72 divisors (see below), whose sum is σ = 1304332020927936. Its totient is φ = 170144377248384.

The previous prime is 513213143552497. The next prime is 513213143552611. The reversal of 513213143552532 is 235255341312315.

It is a happy number.

513213143552532 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 1 + 3 + 1 + 43 + 552 + 53 + 2 = 666.

It is a super-2 number, since 2×513213143552532² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38084518 + ... + 49768029.

It is an arithmetic number, because the mean of its divisors is an integer number (18115722512888).

Almost surely, 2^{513213143552532} is an apocalyptic number.

It is an amenable number.

513213143552532 is an abundant number, since it is smaller than the sum of its proper divisors (791118877375404).

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

513213143552532 is a wasteful number, since it uses less digits than its factorization.

513213143552532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87853437 (or 87853432 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

Adding to 513213143552532 its reverse (235255341312315), we get a palindrome (748468484864847).

The spelling of 513213143552532 in words is "five hundred thirteen trillion, two hundred thirteen billion, one hundred forty-three million, five hundred fifty-two thousand, five hundred thirty-two".