25316087 has 2 divisors, whose sum is σ = 25316088. Its totient is φ = 25316086.

The previous prime is 25316059. The next prime is 25316089. The reversal of 25316087 is 78061352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25316087 - 2⁶ = 25316023 is a prime.

Together with 25316089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25316089) 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 as a sum of consecutive naturals, namely, 12658043 + 12658044.

It is an arithmetic number, because the mean of its divisors is an integer number (12658044).

Almost surely, 2^25316087 is an apocalyptic number.

25316087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25316087 is an equidigital number, since it uses as much as digits as its factorization.

25316087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 25316087 is about 5031.5094156724. The cubic root of 25316087 is about 293.6289416970.

The spelling of 25316087 in words is "twenty-five million, three hundred sixteen thousand, eighty-seven".