2292561 has 6 divisors (see below), whose sum is σ = 3311490. Its totient is φ = 1528368.

The previous prime is 2292547. The next prime is 2292593. The reversal of 2292561 is 1652922.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 1040400 = 1119^2 + 1020^2 .

It is not a de Polignac number, because 2292561 - 2⁵ = 2292529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2292541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127356 + ... + 127373.

It is an arithmetic number, because the mean of its divisors is an integer number (551915).

2^2292561 is an apocalyptic number.

It is an amenable number.

2292561 is a deficient number, since it is larger than the sum of its proper divisors (1018929).

2292561 is a wasteful number, since it uses less digits than its factorization.

2292561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254735 (or 254732 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2292561 is about 1514.1205368134. The cubic root of 2292561 is about 131.8581465102.

The spelling of 2292561 in words is "two million, two hundred ninety-two thousand, five hundred sixty-one".