25900242 has 8 divisors (see below), whose sum is σ = 51800496. Its totient is φ = 8633412.

The previous prime is 25900241. The next prime is 25900247. The reversal of 25900242 is 24200952.

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

25900242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25900241) 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, 2158348 + ... + 2158359.

It is an arithmetic number, because the mean of its divisors is an integer number (6475062).

Almost surely, 2^25900242 is an apocalyptic number.

25900242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25900242 is a wasteful number, since it uses less digits than its factorization.

25900242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316712.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25900242 is about 5089.2280357634. The cubic root of 25900242 is about 295.8702331719.

The spelling of 25900242 in words is "twenty-five million, nine hundred thousand, two hundred forty-two".