25254423 has 20 divisors (see below), whose sum is σ = 38251488. Its totient is φ = 16601760.

The previous prime is 25254403. The next prime is 25254451. The reversal of 25254423 is 32445252.

It is a happy number.

It is not a de Polignac number, because 25254423 - 2⁹ = 25253911 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254403) 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 19 ways as a sum of consecutive naturals, for example, 3778 + ... + 8048.

Almost surely, 2^25254423 is an apocalyptic number.

25254423 is a deficient number, since it is larger than the sum of its proper divisors (12997065).

25254423 is an equidigital number, since it uses as much as digits as its factorization.

25254423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356 (or 4347 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25254423 is about 5025.3778962383. The cubic root of 25254423 is about 293.3903443195.

Adding to 25254423 its reverse (32445252), we get a palindrome (57699675).

The spelling of 25254423 in words is "twenty-five million, two hundred fifty-four thousand, four hundred twenty-three".