561730525 has 12 divisors (see below), whose sum is σ = 702034432. Its totient is φ = 445843440.

The previous prime is 561730523. The next prime is 561730549. The reversal of 561730525 is 525037165.

It is not a de Polignac number, because 561730525 - 2¹ = 561730523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561730523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85287 + ... + 91636.

Almost surely, 2^561730525 is an apocalyptic number.

It is an amenable number.

561730525 is a deficient number, since it is larger than the sum of its proper divisors (140303907).

561730525 is a wasteful number, since it uses less digits than its factorization.

561730525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177060 (or 177055 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 561730525 is about 23700.8549423855. The cubic root of 561730525 is about 825.1052329799.

The spelling of 561730525 in words is "five hundred sixty-one million, seven hundred thirty thousand, five hundred twenty-five".