625623 has 8 divisors (see below), whose sum is σ = 870528. Its totient is φ = 398904.

The previous prime is 625621. The next prime is 625627. The reversal of 625623 is 326526.

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

It is not a de Polignac number, because 625623 - 2¹ = 625621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625593 and 625602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625621) 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, 4465 + ... + 4602.

It is an arithmetic number, because the mean of its divisors is an integer number (108816).

2⁶²⁵⁶²³ is an apocalyptic number.

625623 is a deficient number, since it is larger than the sum of its proper divisors (244905).

625623 is a wasteful number, since it uses less digits than its factorization.

625623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093.

The product of its digits is 2160, while the sum is 24.

The square root of 625623 is about 790.9633366977. The cubic root of 625623 is about 85.5271963003.

The spelling of 625623 in words is "six hundred twenty-five thousand, six hundred twenty-three".