25980474 has 32 divisors (see below), whose sum is σ = 56165760. Its totient is φ = 7964352.

The previous prime is 25980463. The next prime is 25980497. The reversal of 25980474 is 47408952.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30547 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (1755180).

Almost surely, 2^25980474 is an apocalyptic number.

25980474 is an abundant number, since it is smaller than the sum of its proper divisors (30185286).

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

25980474 is a wasteful number, since it uses less digits than its factorization.

25980474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 25980474 is about 5097.1044721489. The cubic root of 25980474 is about 296.1754271164.

The spelling of 25980474 in words is "twenty-five million, nine hundred eighty thousand, four hundred seventy-four".