6625623 has 8 divisors (see below), whose sum is σ = 9299200. Its totient is φ = 4184568.

The previous prime is 6625621. The next prime is 6625639. The reversal of 6625623 is 3265266.

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

It is not a de Polignac number, because 6625623 - 2¹ = 6625621 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 (6625621) 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, 58063 + ... + 58176.

It is an arithmetic number, because the mean of its divisors is an integer number (1162400).

Almost surely, 2^6625623 is an apocalyptic number.

6625623 is a deficient number, since it is larger than the sum of its proper divisors (2673577).

6625623 is a wasteful number, since it uses less digits than its factorization.

6625623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116261.

The product of its digits is 12960, while the sum is 30.

The square root of 6625623 is about 2574.0285546202. The cubic root of 6625623 is about 187.8201747366.

The spelling of 6625623 in words is "six million, six hundred twenty-five thousand, six hundred twenty-three".