25738241 has 2 divisors, whose sum is σ = 25738242. Its totient is φ = 25738240.

The previous prime is 25738183. The next prime is 25738243. The reversal of 25738241 is 14283752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20286016 + 5452225 = 4504^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 25738241 - 2¹⁸ = 25476097 is a prime.

It is a Sophie Germain prime.

Together with 25738243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25738198 and 25738207.

It is not a weakly prime, because it can be changed into another prime (25738243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12869120 + 12869121.

It is an arithmetic number, because the mean of its divisors is an integer number (12869121).

Almost surely, 2^25738241 is an apocalyptic number.

It is an amenable number.

25738241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25738241 is an equidigital number, since it uses as much as digits as its factorization.

25738241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 25738241 is about 5073.2870015405. The cubic root of 25738241 is about 295.2520722043.

The spelling of 25738241 in words is "twenty-five million, seven hundred thirty-eight thousand, two hundred forty-one".