25448274 has 12 divisors (see below), whose sum is σ = 55137966. Its totient is φ = 8482752.

The previous prime is 25448261. The next prime is 25448299. The reversal of 25448274 is 47284452.

It can be written as a sum of positive squares in only one way, i.e., 25070049 + 378225 = 5007^2 + 615^2 .

It is a super-2 number, since 2×25448274² = 1295229299158152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706879 + ... + 706914.

Almost surely, 2^25448274 is an apocalyptic number.

25448274 is an abundant number, since it is smaller than the sum of its proper divisors (29689692).

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

25448274 is a wasteful number, since it uses less digits than its factorization.

25448274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413801 (or 1413798 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 25448274 is about 5044.6282320901. The cubic root of 25448274 is about 294.1391122859.

The spelling of 25448274 in words is "twenty-five million, four hundred forty-eight thousand, two hundred seventy-four".