25343642 has 8 divisors (see below), whose sum is σ = 38183616. Its totient is φ = 12615772.

The previous prime is 25343611. The next prime is 25343693. The reversal of 25343642 is 24634352.

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

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, 27458 + ... + 28365.

It is an arithmetic number, because the mean of its divisors is an integer number (4772952).

Almost surely, 2^25343642 is an apocalyptic number.

25343642 is a deficient number, since it is larger than the sum of its proper divisors (12839974).

25343642 is a wasteful number, since it uses less digits than its factorization.

25343642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56052.

The product of its digits is 17280, while the sum is 29.

The square root of 25343642 is about 5034.2469148821. The cubic root of 25343642 is about 293.7354354028.

Adding to 25343642 its reverse (24634352), we get a palindrome (49977994).

The spelling of 25343642 in words is "twenty-five million, three hundred forty-three thousand, six hundred forty-two".