513252525 has 24 divisors (see below), whose sum is σ = 898496064. Its totient is φ = 257632000.

The previous prime is 513252451. The next prime is 513252533. The reversal of 513252525 is 525252315.

It is not a de Polignac number, because 513252525 - 2⁹ = 513252013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513252492 and 513252501.

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, 200001 + ... + 202550.

It is an arithmetic number, because the mean of its divisors is an integer number (37437336).

Almost surely, 2^513252525 is an apocalyptic number.

It is an amenable number.

513252525 is a deficient number, since it is larger than the sum of its proper divisors (385243539).

513252525 is a wasteful number, since it uses less digits than its factorization.

513252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402581 (or 402576 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 513252525 is about 22655.0772455094. The cubic root of 513252525 is about 800.6518255309.

The spelling of 513252525 in words is "five hundred thirteen million, two hundred fifty-two thousand, five hundred twenty-five".