25252442 has 8 divisors (see below), whose sum is σ = 38684736. Its totient is φ = 12357532.

The previous prime is 25252441. The next prime is 25252457. The reversal of 25252442 is 24425252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25252441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134228 + ... + 134415.

It is an arithmetic number, because the mean of its divisors is an integer number (4835592).

It is a self-describing number.

Almost surely, 2^25252442 is an apocalyptic number.

25252442 is a deficient number, since it is larger than the sum of its proper divisors (13432294).

25252442 is a wasteful number, since it uses less digits than its factorization.

25252442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268692.

The product of its digits is 6400, while the sum is 26.

The square root of 25252442 is about 5025.1807927676. The cubic root of 25252442 is about 293.3826727726.

Adding to 25252442 its reverse (24425252), we get a palindrome (49677694).

The spelling of 25252442 in words is "twenty-five million, two hundred fifty-two thousand, four hundred forty-two".