5581525 has 24 divisors (see below), whose sum is σ = 7660224. Its totient is φ = 4012800.

The previous prime is 5581493. The next prime is 5581531. The reversal of 5581525 is 5251855.

It is not a de Polignac number, because 5581525 - 2⁵ = 5581493 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9490 + ... + 10060.

It is an arithmetic number, because the mean of its divisors is an integer number (319176).

Almost surely, 2^5581525 is an apocalyptic number.

It is an amenable number.

5581525 is a deficient number, since it is larger than the sum of its proper divisors (2078699).

5581525 is a wasteful number, since it uses less digits than its factorization.

5581525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its digits is 10000, while the sum is 31.

The square root of 5581525 is about 2362.5251321415. The cubic root of 5581525 is about 177.3852991686.

The spelling of 5581525 in words is "five million, five hundred eighty-one thousand, five hundred twenty-five".