23551425 has 96 divisors (see below), whose sum is σ = 47496960. Its totient is φ = 11404800.

The previous prime is 23551399. The next prime is 23551433. The reversal of 23551425 is 52415532.

It is a happy number.

23551425 is a `hidden beast` number, since 235 + 5 + 1 + 425 = 666.

It is not a de Polignac number, because 23551425 - 2⁶ = 23551361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (6000) is a multiple of the sum of its prime factors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 574405 + ... + 574445.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^23551425 is an apocalyptic number.

23551425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23551425 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

23551425 is a wasteful number, since it uses less digits than its factorization.

23551425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 109 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 23551425 is about 4852.9810426170. The cubic root of 23551425 is about 286.6414969488.

Adding to 23551425 its reverse (52415532), we get a palindrome (75966957).

The spelling of 23551425 in words is "twenty-three million, five hundred fifty-one thousand, four hundred twenty-five".