5712561 has 12 divisors (see below), whose sum is σ = 8737092. Its totient is φ = 3584256.

The previous prime is 5712529. The next prime is 5712583. The reversal of 5712561 is 1652175.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 1587600 = 2031^2 + 1260^2 .

It is not a de Polignac number, because 5712561 - 2⁵ = 5712529 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 (5712061) 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, 18516 + ... + 18821.

It is an arithmetic number, because the mean of its divisors is an integer number (728091).

Almost surely, 2^5712561 is an apocalyptic number.

5712561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5712561 is a deficient number, since it is larger than the sum of its proper divisors (3024531).

5712561 is a wasteful number, since it uses less digits than its factorization.

5712561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37360 (or 37357 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 5712561 is about 2390.0964415688. The cubic root of 5712561 is about 178.7627183804.

The spelling of 5712561 in words is "five million, seven hundred twelve thousand, five hundred sixty-one".