5625639 has 16 divisors (see below), whose sum is σ = 8697600. Its totient is φ = 3586968.

The previous prime is 5625637. The next prime is 5625649. The reversal of 5625639 is 9365265.

It is not a de Polignac number, because 5625639 - 2¹ = 5625637 is a prime.

5625639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3909 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (543600).

Almost surely, 2^5625639 is an apocalyptic number.

5625639 is a deficient number, since it is larger than the sum of its proper divisors (3071961).

5625639 is a wasteful number, since it uses less digits than its factorization.

5625639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091 (or 9085 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 5625639 is about 2371.8429543290. The cubic root of 5625639 is about 177.8513993542.

The spelling of 5625639 in words is "five million, six hundred twenty-five thousand, six hundred thirty-nine".