25956541 has 6 divisors (see below), whose sum is σ = 28106970. Its totient is φ = 23959728.

The previous prime is 25956533. The next prime is 25956551. The reversal of 25956541 is 14565952.

It can be written as a sum of positive squares in 3 ways, for example, as 2627641 + 23328900 = 1621^2 + 4830^2 .

It is not a de Polignac number, because 25956541 - 2³ = 25956533 is a prime.

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 25956541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25956551) by changing a digit.

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, 76626 + ... + 76963.

It is an arithmetic number, because the mean of its divisors is an integer number (4684495).

Almost surely, 2^25956541 is an apocalyptic number.

It is an amenable number.

25956541 is a deficient number, since it is larger than the sum of its proper divisors (2150429).

25956541 is a wasteful number, since it uses less digits than its factorization.

25956541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153615 (or 153602 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 25956541 is about 5094.7562257678. The cubic root of 25956541 is about 296.0844543831.

The spelling of 25956541 in words is "twenty-five million, nine hundred fifty-six thousand, five hundred forty-one".