25683677 has 2 divisors, whose sum is σ = 25683678. Its totient is φ = 25683676.

The previous prime is 25683673. The next prime is 25683689. The reversal of 25683677 is 77638652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25664356 + 19321 = 5066^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 25683677 - 2² = 25683673 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 (25683673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12841838 + 12841839.

It is an arithmetic number, because the mean of its divisors is an integer number (12841839).

Almost surely, 2^25683677 is an apocalyptic number.

It is an amenable number.

25683677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25683677 is an equidigital number, since it uses as much as digits as its factorization.

25683677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 25683677 is about 5067.9065697781. The cubic root of 25683677 is about 295.0432838911.

The spelling of 25683677 in words is "twenty-five million, six hundred eighty-three thousand, six hundred seventy-seven".