25453542 has 32 divisors (see below), whose sum is σ = 52844544. Its totient is φ = 8164800.

The previous prime is 25453523. The next prime is 25453553. The reversal of 25453542 is 24535452.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52023 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (1651392).

Almost surely, 2^25453542 is an apocalyptic number.

25453542 is an abundant number, since it is smaller than the sum of its proper divisors (27391002).

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

25453542 is a wasteful number, since it uses less digits than its factorization.

25453542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 24000, while the sum is 30.

The square root of 25453542 is about 5045.1503446379. The cubic root of 25453542 is about 294.1594072830.

Adding to 25453542 its reverse (24535452), we get a palindrome (49988994).

The spelling of 25453542 in words is "twenty-five million, four hundred fifty-three thousand, five hundred forty-two".