25674481 has 6 divisors (see below), whose sum is σ = 29866290. Its totient is φ = 22006656.

The previous prime is 25674461. The next prime is 25674511. The reversal of 25674481 is 18447652.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 2480625 = 4816^2 + 1575^2 .

It is not a de Polignac number, because 25674481 - 2⁷ = 25674353 is a prime.

It is a super-2 number, since 2×25674481² = 1318357949238722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25674481.

It is not an unprimeable number, because it can be changed into a prime (25674401) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 261936 + ... + 262033.

It is an arithmetic number, because the mean of its divisors is an integer number (4977715).

Almost surely, 2^25674481 is an apocalyptic number.

It is an amenable number.

25674481 is a deficient number, since it is larger than the sum of its proper divisors (4191809).

25674481 is an equidigital number, since it uses as much as digits as its factorization.

25674481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523983 (or 523976 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 25674481 is about 5066.9992105782. Note that the first 3 decimals coincide. The cubic root of 25674481 is about 295.0080664269.

The spelling of 25674481 in words is "twenty-five million, six hundred seventy-four thousand, four hundred eighty-one".