25989274 has 8 divisors (see below), whose sum is σ = 39048948. Its totient is φ = 12972960.

The previous prime is 25989251. The next prime is 25989289. The reversal of 25989274 is 47298952.

It can be written as a sum of positive squares in 2 ways, for example, as 25938649 + 50625 = 5093^2 + 225^2 .

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

It is a super-3 number, since 3×25989274³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9297 + ... + 11764.

Almost surely, 2^25989274 is an apocalyptic number.

25989274 is a deficient number, since it is larger than the sum of its proper divisors (13059674).

25989274 is a wasteful number, since it uses less digits than its factorization.

25989274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21680.

The product of its digits is 362880, while the sum is 46.

The square root of 25989274 is about 5097.9676342637. The cubic root of 25989274 is about 296.2088631184.

The spelling of 25989274 in words is "twenty-five million, nine hundred eighty-nine thousand, two hundred seventy-four".