5625609 has 8 divisors (see below), whose sum is σ = 8182752. Its totient is φ = 3409440.

The previous prime is 5625563. The next prime is 5625617. The reversal of 5625609 is 9065265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5625609 - 2¹¹ = 5623561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 170473 = 5625609 / (5 + 6 + 2 + 5 + 6 + 0 + 9).

5625609 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5625609.

It is not an unprimeable number, because it can be changed into a prime (5625649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85204 + ... + 85269.

It is an arithmetic number, because the mean of its divisors is an integer number (1022844).

Almost surely, 2^5625609 is an apocalyptic number.

It is an amenable number.

5625609 is a deficient number, since it is larger than the sum of its proper divisors (2557143).

5625609 is a wasteful number, since it uses less digits than its factorization.

5625609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170487.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 5625609 is about 2371.8366301244. The cubic root of 5625609 is about 177.8510832093.

The spelling of 5625609 in words is "five million, six hundred twenty-five thousand, six hundred nine".