25920974 has 8 divisors (see below), whose sum is σ = 39519048. Its totient is φ = 12747960.

The previous prime is 25920967. The next prime is 25920989. The reversal of 25920974 is 47902952.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 106112 + ... + 106355.

It is an arithmetic number, because the mean of its divisors is an integer number (4939881).

Almost surely, 2^25920974 is an apocalyptic number.

25920974 is a deficient number, since it is larger than the sum of its proper divisors (13598074).

25920974 is a wasteful number, since it uses less digits than its factorization.

25920974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212530.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 25920974 is about 5091.2644794786. The cubic root of 25920974 is about 295.9491558031.

The spelling of 25920974 in words is "twenty-five million, nine hundred twenty thousand, nine hundred seventy-four".