25980767 has 2 divisors, whose sum is σ = 25980768. Its totient is φ = 25980766.

The previous prime is 25980763. The next prime is 25980769. The reversal of 25980767 is 76708952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25980767 - 2² = 25980763 is a prime.

Together with 25980769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25980763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990383 + 12990384.

It is an arithmetic number, because the mean of its divisors is an integer number (12990384).

Almost surely, 2^25980767 is an apocalyptic number.

25980767 is a deficient number, since it is larger than the sum of its proper divisors (1).

25980767 is an equidigital number, since it uses as much as digits as its factorization.

25980767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 25980767 is about 5097.1332138762. The cubic root of 25980767 is about 296.1765405048.

The spelling of 25980767 in words is "twenty-five million, nine hundred eighty thousand, seven hundred sixty-seven".