5437581 has 4 divisors (see below), whose sum is σ = 7250112. Its totient is φ = 3625052.

The previous prime is 5437577. The next prime is 5437583. The reversal of 5437581 is 1857345.

5437581 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 5437581 - 2² = 5437577 is a prime.

It is a super-2 number, since 2×5437581² = 59134574263122, which contains 22 as substring.

It is a D-number.

5437581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437583) 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, 906261 + ... + 906266.

It is an arithmetic number, because the mean of its divisors is an integer number (1812528).

Almost surely, 2^5437581 is an apocalyptic number.

It is an amenable number.

5437581 is a deficient number, since it is larger than the sum of its proper divisors (1812531).

5437581 is a wasteful number, since it uses less digits than its factorization.

5437581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812530.

The product of its digits is 16800, while the sum is 33.

The square root of 5437581 is about 2331.8621314306. The cubic root of 5437581 is about 175.8471145631.

The spelling of 5437581 in words is "five million, four hundred thirty-seven thousand, five hundred eighty-one".