610561725 has 24 divisors (see below), whose sum is σ = 1030945920. Its totient is φ = 318702720.

The previous prime is 610561669. The next prime is 610561727. The reversal of 610561725 is 527165016.

It is not a de Polignac number, because 610561725 - 2¹⁰ = 610560701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610561727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83080 + ... + 90129.

It is an arithmetic number, because the mean of its divisors is an integer number (42956080).

Almost surely, 2^610561725 is an apocalyptic number.

It is an amenable number.

610561725 is a deficient number, since it is larger than the sum of its proper divisors (420384195).

610561725 is a wasteful number, since it uses less digits than its factorization.

610561725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173269 (or 173264 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 610561725 is about 24709.5472439298. The cubic root of 610561725 is about 848.3528540206.

The spelling of 610561725 in words is "six hundred ten million, five hundred sixty-one thousand, seven hundred twenty-five".