25981348 has 24 divisors (see below), whose sum is σ = 47222784. Its totient is φ = 12494400.

The previous prime is 25981339. The next prime is 25981369. The reversal of 25981348 is 84318952.

It is a self number, because there is not a number n which added to its sum of digits gives 25981348.

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 7 ways as a sum of consecutive naturals, for example, 23136 + ... + 24232.

It is an arithmetic number, because the mean of its divisors is an integer number (1967616).

It is a vampire number, since it can be written as 4388 ⋅ 5921 (with its own digits).

Almost surely, 2^25981348 is an apocalyptic number.

It is an amenable number.

25981348 is a deficient number, since it is larger than the sum of its proper divisors (21241436).

25981348 is a wasteful number, since it uses less digits than its factorization.

25981348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1321 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 25981348 is about 5097.1902063784. The cubic root of 25981348 is about 296.1787482570.

The spelling of 25981348 in words is "twenty-five million, nine hundred eighty-one thousand, three hundred forty-eight".