25642298 has 16 divisors (see below), whose sum is σ = 42037920. Its totient is φ = 11634000.

The previous prime is 25642277. The next prime is 25642313. The reversal of 25642298 is 89224652.

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, 22568 + ... + 23676.

It is an arithmetic number, because the mean of its divisors is an integer number (2627370).

Almost surely, 2^25642298 is an apocalyptic number.

25642298 is a deficient number, since it is larger than the sum of its proper divisors (16395622).

25642298 is a wasteful number, since it uses less digits than its factorization.

25642298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its digits is 69120, while the sum is 38.

The square root of 25642298 is about 5063.8224692420. The cubic root of 25642298 is about 294.8847505375.

The spelling of 25642298 in words is "twenty-five million, six hundred forty-two thousand, two hundred ninety-eight".