25252623 has 12 divisors (see below), whose sum is σ = 39792168. Its totient is φ = 15304560.

The previous prime is 25252609. The next prime is 25252639. The reversal of 25252623 is 32625252.

It is not a de Polignac number, because 25252623 - 2⁹ = 25252111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127440 + ... + 127637.

It is an arithmetic number, because the mean of its divisors is an integer number (3316014).

Almost surely, 2^25252623 is an apocalyptic number.

25252623 is a deficient number, since it is larger than the sum of its proper divisors (14539545).

25252623 is a wasteful number, since it uses less digits than its factorization.

25252623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255094 (or 255091 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 25252623 is about 5025.1988020376. The cubic root of 25252623 is about 293.3833737231.

Adding to 25252623 its reverse (32625252), we get a palindrome (57877875).

The spelling of 25252623 in words is "twenty-five million, two hundred fifty-two thousand, six hundred twenty-three".