1017561325 has 48 divisors (see below), whose sum is σ = 1409284800. Its totient is φ = 722649600.

The previous prime is 1017561301. The next prime is 1017561341. The reversal of 1017561325 is 5231657101.

It is not a de Polignac number, because 1017561325 - 2²⁷ = 883343597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2487721 + ... + 2488129.

It is an arithmetic number, because the mean of its divisors is an integer number (29360100).

Almost surely, 2^1017561325 is an apocalyptic number.

It is an amenable number.

1017561325 is a deficient number, since it is larger than the sum of its proper divisors (391723475).

1017561325 is a wasteful number, since it uses less digits than its factorization.

1017561325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1017561325 is about 31899.2370598420. The cubic root of 1017561325 is about 1005.8198387697.

The spelling of 1017561325 in words is "one billion, seventeen million, five hundred sixty-one thousand, three hundred twenty-five".