25423542 has 12 divisors (see below), whose sum is σ = 55084380. Its totient is φ = 8474508.

The previous prime is 25423537. The next prime is 25423571. The reversal of 25423542 is 24532452.

It is a happy number.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706192 + ... + 706227.

It is an arithmetic number, because the mean of its divisors is an integer number (4590365).

Almost surely, 2^25423542 is an apocalyptic number.

25423542 is an abundant number, since it is smaller than the sum of its proper divisors (29660838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25423542 is a wasteful number, since it uses less digits than its factorization.

25423542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412427 (or 1412424 counting only the distinct ones).

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

The square root of 25423542 is about 5042.1763158382. The cubic root of 25423542 is about 294.0437946699.

Adding to 25423542 its reverse (24532452), we get a palindrome (49955994).

It can be divided in two parts, 2542 and 3542, that added together give a square (6084 = 78²).

The spelling of 25423542 in words is "twenty-five million, four hundred twenty-three thousand, five hundred forty-two".