25878942 has 12 divisors (see below), whose sum is σ = 56071080. Its totient is φ = 8626308.

The previous prime is 25878911. The next prime is 25878943. The reversal of 25878942 is 24987852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25878943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 718842 + ... + 718877.

It is an arithmetic number, because the mean of its divisors is an integer number (4672590).

Almost surely, 2^25878942 is an apocalyptic number.

25878942 is an abundant number, since it is smaller than the sum of its proper divisors (30192138).

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

25878942 is a wasteful number, since it uses less digits than its factorization.

25878942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437727 (or 1437724 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 25878942 is about 5087.1349500480. The cubic root of 25878942 is about 295.7891044020.

The spelling of 25878942 in words is "twenty-five million, eight hundred seventy-eight thousand, nine hundred forty-two".