623565325 has 12 divisors (see below), whose sum is σ = 774443488. Its totient is φ = 498063600.

The previous prime is 623565323. The next prime is 623565359. The reversal of 623565325 is 523565326.

It is not a de Polignac number, because 623565325 - 2¹ = 623565323 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 (623565323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3321 + ... + 35470.

Almost surely, 2^623565325 is an apocalyptic number.

It is an amenable number.

623565325 is a deficient number, since it is larger than the sum of its proper divisors (150878163).

623565325 is a wasteful number, since it uses less digits than its factorization.

623565325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39444 (or 39439 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The square root of 623565325 is about 24971.2900147349. The cubic root of 623565325 is about 854.3332695317. Note that the first 3 decimals are identical.

Subtracting from 623565325 its reverse (523565326), we obtain a palindrome (99999999).

The spelling of 623565325 in words is "six hundred twenty-three million, five hundred sixty-five thousand, three hundred twenty-five".