2625623 has 32 divisors (see below), whose sum is σ = 3666432. Its totient is φ = 1814400.

The previous prime is 2625619. The next prime is 2625641. The reversal of 2625623 is 3265262.

It is not a de Polignac number, because 2625623 - 2² = 2625619 is a prime.

It is a super-2 number, since 2×2625623² = 13787792276258, which contains 22 as substring.

Its product of digits (4320) is a multiple of the sum of its prime divisors (135).

It is a junction number, because it is equal to n+sod(n) for n = 2625592 and 2625601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43013 + ... + 43073.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^2625623 is an apocalyptic number.

2625623 is a deficient number, since it is larger than the sum of its proper divisors (1040809).

2625623 is a wasteful number, since it uses less digits than its factorization.

2625623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135.

The product of its digits is 4320, while the sum is 26.

The square root of 2625623 is about 1620.3774251698. The cubic root of 2625623 is about 137.9571210337.

It can be divided in two parts, 262 and 5623, that added together give a palindrome (5885).

The spelling of 2625623 in words is "two million, six hundred twenty-five thousand, six hundred twenty-three".