25565341 has 2 divisors, whose sum is σ = 25565342. Its totient is φ = 25565340.

The previous prime is 25565333. The next prime is 25565347. The reversal of 25565341 is 14356552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21585316 + 3980025 = 4646^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 25565341 - 2³ = 25565333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25565347) 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 as a sum of consecutive naturals, namely, 12782670 + 12782671.

It is an arithmetic number, because the mean of its divisors is an integer number (12782671).

Almost surely, 2^25565341 is an apocalyptic number.

It is an amenable number.

25565341 is a deficient number, since it is larger than the sum of its proper divisors (1).

25565341 is an equidigital number, since it uses as much as digits as its factorization.

25565341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 25565341 is about 5056.2180530511. The cubic root of 25565341 is about 294.5894547726.

The spelling of 25565341 in words is "twenty-five million, five hundred sixty-five thousand, three hundred forty-one".