25998741 has 6 divisors (see below), whose sum is σ = 37553750. Its totient is φ = 17332488.

The previous prime is 25998737. The next prime is 25998757. The reversal of 25998741 is 14789952.

It can be written as a sum of positive squares in only one way, i.e., 25796241 + 202500 = 5079^2 + 450^2 .

It is not a de Polignac number, because 25998741 - 2² = 25998737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25998781) 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, 1444366 + ... + 1444383.

Almost surely, 2^25998741 is an apocalyptic number.

It is an amenable number.

25998741 is a deficient number, since it is larger than the sum of its proper divisors (11555009).

25998741 is a wasteful number, since it uses less digits than its factorization.

25998741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888755 (or 2888752 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 25998741 is about 5098.8960569912. The cubic root of 25998741 is about 296.2448249911.

The spelling of 25998741 in words is "twenty-five million, nine hundred ninety-eight thousand, seven hundred forty-one".