25314787 has 2 divisors, whose sum is σ = 25314788. Its totient is φ = 25314786.

The previous prime is 25314781. The next prime is 25314791. The reversal of 25314787 is 78741352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25314787 - 2¹⁹ = 24790499 is a prime.

It is not a weakly prime, because it can be changed into another prime (25314781) 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, 12657393 + 12657394.

It is an arithmetic number, because the mean of its divisors is an integer number (12657394).

Almost surely, 2^25314787 is an apocalyptic number.

25314787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25314787 is an equidigital number, since it uses as much as digits as its factorization.

25314787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 25314787 is about 5031.3802281283. The cubic root of 25314787 is about 293.6239155891.

The spelling of 25314787 in words is "twenty-five million, three hundred fourteen thousand, seven hundred eighty-seven".