9130561 has 4 divisors (see below), whose sum is σ = 9960624. Its totient is φ = 8300500.

The previous prime is 9130553. The next prime is 9130567. The reversal of 9130561 is 1650319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9130561 - 2³ = 9130553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9130567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415015 + ... + 415036.

It is an arithmetic number, because the mean of its divisors is an integer number (2490156).

Almost surely, 2^9130561 is an apocalyptic number.

It is an amenable number.

9130561 is a deficient number, since it is larger than the sum of its proper divisors (830063).

9130561 is a wasteful number, since it uses less digits than its factorization.

9130561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830062.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 9130561 is about 3021.6818164724. The cubic root of 9130561 is about 209.0094010713.

The spelling of 9130561 in words is "nine million, one hundred thirty thousand, five hundred sixty-one".