25279441 has 12 divisors (see below), whose sum is σ = 27909252. Its totient is φ = 22880000.

The previous prime is 25279427. The next prime is 25279451. The reversal of 25279441 is 14497252.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 6969600 = 4279^2 + 2640^2 .

It is not a de Polignac number, because 25279441 - 2⁵ = 25279409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25279397 and 25279406.

It is not an unprimeable number, because it can be changed into a prime (25279451) 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 11 ways as a sum of consecutive naturals, for example, 48261 + ... + 48781.

It is an arithmetic number, because the mean of its divisors is an integer number (2325771).

Almost surely, 2^25279441 is an apocalyptic number.

It is an amenable number.

25279441 is a deficient number, since it is larger than the sum of its proper divisors (2629811).

25279441 is a wasteful number, since it uses less digits than its factorization.

25279441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 933 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 25279441 is about 5027.8664461181. The cubic root of 25279441 is about 293.4871935881.

The spelling of 25279441 in words is "twenty-five million, two hundred seventy-nine thousand, four hundred forty-one".