513431152025522 has 16 divisors (see below), whose sum is σ = 771036090822144. Its totient is φ = 256419153900000.

The previous prime is 513431152025417. The next prime is 513431152025543. The reversal of 513431152025522 is 225520251134315.

It is a super-2 number, since 2×513431152025522² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513431152025522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23950022 + ... + 40005822.

It is an arithmetic number, because the mean of its divisors is an integer number (48189755676384).

Almost surely, 2^{513431152025522} is an apocalyptic number.

513431152025522 is a deficient number, since it is larger than the sum of its proper divisors (257604938796622).

513431152025522 is a wasteful number, since it uses less digits than its factorization.

513431152025522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074265.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 513431152025522 in words is "five hundred thirteen trillion, four hundred thirty-one billion, one hundred fifty-two million, twenty-five thousand, five hundred twenty-two".