5267581 has 4 divisors (see below), whose sum is σ = 5746464. Its totient is φ = 4788700.

The previous prime is 5267573. The next prime is 5267593. The reversal of 5267581 is 1857625.

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 5267581 - 2³ = 5267573 is a prime.

It is a super-2 number, since 2×5267581² = 55494819183122, which contains 22 as substring.

It is a Duffinian number.

5267581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5267881) 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, 239425 + ... + 239446.

It is an arithmetic number, because the mean of its divisors is an integer number (1436616).

Almost surely, 2^5267581 is an apocalyptic number.

It is an amenable number.

5267581 is a deficient number, since it is larger than the sum of its proper divisors (478883).

5267581 is a wasteful number, since it uses less digits than its factorization.

5267581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478882.

The product of its digits is 16800, while the sum is 34.

The square root of 5267581 is about 2295.1211297010. The cubic root of 5267581 is about 173.9951225127.

The spelling of 5267581 in words is "five million, two hundred sixty-seven thousand, five hundred eighty-one".