25542416 has 20 divisors (see below), whose sum is σ = 49587600. Its totient is φ = 12745632.

The previous prime is 25542389. The next prime is 25542421. The reversal of 25542416 is 61424552.

Its product of digits (9600) is a multiple of the sum of its prime divisors (3200).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (2479380).

Almost surely, 2^25542416 is an apocalyptic number.

It is an amenable number.

25542416 is a deficient number, since it is larger than the sum of its proper divisors (24045184).

25542416 is a wasteful number, since it uses less digits than its factorization.

25542416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3200 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 25542416 is about 5053.9505339882. The cubic root of 25542416 is about 294.5013735051.

Adding to 25542416 its reverse (61424552), we get a palindrome (86966968).

The spelling of 25542416 in words is "twenty-five million, five hundred forty-two thousand, four hundred sixteen".