513045241525 has 12 divisors (see below), whose sum is σ = 658113207300. Its totient is φ = 396283220480.

The previous prime is 513045241463. The next prime is 513045241547. The reversal of 513045241525 is 525142540315.

It can be written as a sum of positive squares in 6 ways, for example, as 5678225316 + 507367016209 = 75354^2 + 712297^2 .

It is not a de Polignac number, because 513045241525 - 2³⁵ = 478685503157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353823580 + ... + 353825029.

It is an arithmetic number, because the mean of its divisors is an integer number (54842767275).

Almost surely, 2^513045241525 is an apocalyptic number.

It is an amenable number.

513045241525 is a deficient number, since it is larger than the sum of its proper divisors (145067965775).

513045241525 is a wasteful number, since it uses less digits than its factorization.

513045241525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707648648 (or 707648643 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 513045241525 in words is "five hundred thirteen billion, forty-five million, two hundred forty-one thousand, five hundred twenty-five".