5732581 has 4 divisors (see below), whose sum is σ = 5737600. Its totient is φ = 5727564.

The previous prime is 5732549. The next prime is 5732591. The reversal of 5732581 is 1852375.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5732581 - 2⁵ = 5732549 is a prime.

It is a super-2 number, since 2×5732581² = 65724969843122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5732501) 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, 130 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (1434400).

Almost surely, 2^5732581 is an apocalyptic number.

It is an amenable number.

5732581 is a deficient number, since it is larger than the sum of its proper divisors (5019).

5732581 is a wasteful number, since it uses less digits than its factorization.

5732581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its digits is 8400, while the sum is 31.

The square root of 5732581 is about 2394.2808941308. The cubic root of 5732581 is about 178.9713029951.

The spelling of 5732581 in words is "five million, seven hundred thirty-two thousand, five hundred eighty-one".