5639525 has 6 divisors (see below), whose sum is σ = 6993042. Its totient is φ = 4511600.

The previous prime is 5639521. The next prime is 5639527. The reversal of 5639525 is 5259365.

It can be written as a sum of positive squares in 3 ways, for example, as 450241 + 5189284 = 671^2 + 2278^2 .

It is not a de Polignac number, because 5639525 - 2² = 5639521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112766 + ... + 112815.

It is an arithmetic number, because the mean of its divisors is an integer number (1165507).

Almost surely, 2^5639525 is an apocalyptic number.

It is an amenable number.

5639525 is a deficient number, since it is larger than the sum of its proper divisors (1353517).

5639525 is a wasteful number, since it uses less digits than its factorization.

5639525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225591 (or 225586 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 5639525 is about 2374.7684097613. The cubic root of 5639525 is about 177.9976118015.

The spelling of 5639525 in words is "five million, six hundred thirty-nine thousand, five hundred twenty-five".