25116677 has 2 divisors, whose sum is σ = 25116678. Its totient is φ = 25116676.

The previous prime is 25116649. The next prime is 25116683. The reversal of 25116677 is 77661152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19589476 + 5527201 = 4426^2 + 2351^2 .

It is a cyclic number.

It is not a de Polignac number, because 25116677 - 2²² = 20922373 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 (25116607) 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, 12558338 + 12558339.

It is an arithmetic number, because the mean of its divisors is an integer number (12558339).

Almost surely, 2^25116677 is an apocalyptic number.

It is an amenable number.

25116677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25116677 is an equidigital number, since it uses as much as digits as its factorization.

25116677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 25116677 is about 5011.6541181530. The cubic root of 25116677 is about 292.8559554752.

The spelling of 25116677 in words is "twenty-five million, one hundred sixteen thousand, six hundred seventy-seven".