25696277 has 2 divisors, whose sum is σ = 25696278. Its totient is φ = 25696276.

The previous prime is 25696271. The next prime is 25696283. The reversal of 25696277 is 77269652.

It is a balanced prime because it is at equal distance from previous prime (25696271) and next prime (25696283).

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 1745041 = 4894^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 25696277 - 2⁴ = 25696261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25696271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12848138 + 12848139.

It is an arithmetic number, because the mean of its divisors is an integer number (12848139).

Almost surely, 2^25696277 is an apocalyptic number.

It is an amenable number.

25696277 is a deficient number, since it is larger than the sum of its proper divisors (1).

25696277 is an equidigital number, since it uses as much as digits as its factorization.

25696277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 25696277 is about 5069.1495341921. The cubic root of 25696277 is about 295.0915238377.

The spelling of 25696277 in words is "twenty-five million, six hundred ninety-six thousand, two hundred seventy-seven".