25378242 has 8 divisors (see below), whose sum is σ = 50756496. Its totient is φ = 8459412.

The previous prime is 25378217. The next prime is 25378253. The reversal of 25378242 is 24287352.

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

25378242 is an admirable number.

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, 2114848 + ... + 2114859.

It is an arithmetic number, because the mean of its divisors is an integer number (6344562).

Almost surely, 2^25378242 is an apocalyptic number.

25378242 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.

25378242 is a wasteful number, since it uses less digits than its factorization.

25378242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229712.

The product of its digits is 26880, while the sum is 33.

The square root of 25378242 is about 5037.6822051416. The cubic root of 25378242 is about 293.8690471452.

The spelling of 25378242 in words is "twenty-five million, three hundred seventy-eight thousand, two hundred forty-two".