513752065522 has 16 divisors (see below), whose sum is σ = 791085252672. Its totient is φ = 250095399120.

The previous prime is 513752065501. The next prime is 513752065523. The reversal of 513752065522 is 225560257315.

It is a super-2 number, since 2×513752065522² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (513752065523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9577533 + ... + 9631024.

It is an arithmetic number, because the mean of its divisors is an integer number (49442828292).

Almost surely, 2^513752065522 is an apocalyptic number.

513752065522 is a deficient number, since it is larger than the sum of its proper divisors (277333187150).

513752065522 is a wasteful number, since it uses less digits than its factorization.

513752065522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19208913.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 513752065522 in words is "five hundred thirteen billion, seven hundred fifty-two million, sixty-five thousand, five hundred twenty-two".