25479898 has 8 divisors (see below), whose sum is σ = 38243808. Its totient is φ = 12731964.

The previous prime is 25479877. The next prime is 25479907. The reversal of 25479898 is 89897452.

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, 1515 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (4780476).

Almost surely, 2^25479898 is an apocalyptic number.

25479898 is a deficient number, since it is larger than the sum of its proper divisors (12763910).

25479898 is a wasteful number, since it uses less digits than its factorization.

25479898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988.

The product of its digits is 1451520, while the sum is 52.

The square root of 25479898 is about 5047.7616821716. The cubic root of 25479898 is about 294.2609018799.

The spelling of 25479898 in words is "twenty-five million, four hundred seventy-nine thousand, eight hundred ninety-eight".