517007525 has 12 divisors (see below), whose sum is σ = 641469732. Its totient is φ = 413360640.

The previous prime is 517007507. The next prime is 517007531. The reversal of 517007525 is 525700715.

It can be written as a sum of positive squares in 6 ways, for example, as 14485636 + 502521889 = 3806^2 + 22417^2 .

It is not a de Polignac number, because 517007525 - 2¹² = 517003429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 517007491 and 517007500.

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, 45299 + ... + 55551.

It is an arithmetic number, because the mean of its divisors is an integer number (53455811).

Almost surely, 2^517007525 is an apocalyptic number.

It is an amenable number.

517007525 is a deficient number, since it is larger than the sum of its proper divisors (124462207).

517007525 is a wasteful number, since it uses less digits than its factorization.

517007525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280 (or 12275 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 517007525 is about 22737.7994757628. The cubic root of 517007525 is about 802.5996291973.

The spelling of 517007525 in words is "five hundred seventeen million, seven thousand, five hundred twenty-five".