25396242 has 8 divisors (see below), whose sum is σ = 50792496. Its totient is φ = 8465412.

The previous prime is 25396219. The next prime is 25396243. The reversal of 25396242 is 24269352.

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

25396242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25396243) 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, 2116348 + ... + 2116359.

It is an arithmetic number, because the mean of its divisors is an integer number (6349062).

Almost surely, 2^25396242 is an apocalyptic number.

25396242 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.

25396242 is a wasteful number, since it uses less digits than its factorization.

25396242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232712.

The product of its digits is 25920, while the sum is 33.

The square root of 25396242 is about 5039.4684243479. The cubic root of 25396242 is about 293.9385081261.

The spelling of 25396242 in words is "twenty-five million, three hundred ninety-six thousand, two hundred forty-two".