25349677 has 2 divisors, whose sum is σ = 25349678. Its totient is φ = 25349676.

The previous prime is 25349633. The next prime is 25349693. The reversal of 25349677 is 77694352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 3316041 = 4694^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 25349677 - 2⁷ = 25349549 is a prime.

It is a super-2 number, since 2×25349677² = 1285212248008658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25349617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12674838 + 12674839.

It is an arithmetic number, because the mean of its divisors is an integer number (12674839).

Almost surely, 2^25349677 is an apocalyptic number.

It is an amenable number.

25349677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25349677 is an equidigital number, since it uses as much as digits as its factorization.

25349677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 25349677 is about 5034.8462737208. The cubic root of 25349677 is about 293.7587489774.

The spelling of 25349677 in words is "twenty-five million, three hundred forty-nine thousand, six hundred seventy-seven".