25867442 has 8 divisors (see below), whose sum is σ = 38870832. Its totient is φ = 12910500.

The previous prime is 25867441. The next prime is 25867451. The reversal of 25867442 is 24476852.

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

It is a junction number, because it is equal to n+sod(n) for n = 25867396 and 25867405.

It is not an unprimeable number, because it can be changed into a prime (25867441) 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, 10184 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (4858854).

Almost surely, 2^25867442 is an apocalyptic number.

25867442 is a deficient number, since it is larger than the sum of its proper divisors (13003390).

25867442 is a wasteful number, since it uses less digits than its factorization.

25867442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224.

The product of its digits is 107520, while the sum is 38.

The square root of 25867442 is about 5086.0045222158. The cubic root of 25867442 is about 295.7452839773.

The spelling of 25867442 in words is "twenty-five million, eight hundred sixty-seven thousand, four hundred forty-two".