25254742 has 16 divisors (see below), whose sum is σ = 38610432. Its totient is φ = 12386920.

The previous prime is 25254727. The next prime is 25254751. The reversal of 25254742 is 24745252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27267 + ... + 28177.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^25254742 is an apocalyptic number.

25254742 is a deficient number, since it is larger than the sum of its proper divisors (13355690).

25254742 is a wasteful number, since it uses less digits than its factorization.

25254742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163.

The product of its digits is 22400, while the sum is 31.

The square root of 25254742 is about 5025.4096350447. The cubic root of 25254742 is about 293.3915796295.

Adding to 25254742 its reverse (24745252), we get a palindrome (49999994).

The spelling of 25254742 in words is "twenty-five million, two hundred fifty-four thousand, seven hundred forty-two".