25990892 has 24 divisors (see below), whose sum is σ = 48353760. Its totient is φ = 12181760.

The previous prime is 25990891. The next prime is 25990901. The reversal of 25990892 is 29809952.

It is not an unprimeable number, because it can be changed into a prime (25990891) 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 7 ways as a sum of consecutive naturals, for example, 20534 + ... + 21762.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^25990892 is an apocalyptic number.

It is an amenable number.

25990892 is a deficient number, since it is larger than the sum of its proper divisors (22362868).

25990892 is a wasteful number, since it uses less digits than its factorization.

25990892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 25990892 is about 5098.1263224836. The cubic root of 25990892 is about 296.2150099619.

The spelling of 25990892 in words is "twenty-five million, nine hundred ninety thousand, eight hundred ninety-two".