25919842 has 16 divisors (see below), whose sum is σ = 42763392. Its totient is φ = 11707920.

The previous prime is 25919837. The next prime is 25919863. The reversal of 25919842 is 24891952.

It is a junction number, because it is equal to n+sod(n) for n = 25919795 and 25919804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (2672712).

Almost surely, 2^25919842 is an apocalyptic number.

25919842 is a deficient number, since it is larger than the sum of its proper divisors (16843550).

25919842 is a wasteful number, since it uses less digits than its factorization.

25919842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273.

The product of its digits is 51840, while the sum is 40.

The square root of 25919842 is about 5091.1533074540. The cubic root of 25919842 is about 295.9448475889.

The spelling of 25919842 in words is "twenty-five million, nine hundred nineteen thousand, eight hundred forty-two".