25768451 has 2 divisors, whose sum is σ = 25768452. Its totient is φ = 25768450.

The previous prime is 25768439. The next prime is 25768453. The reversal of 25768451 is 15486752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25768451 - 2⁶ = 25768387 is a prime.

Together with 25768453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25768453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12884225 + 12884226.

It is an arithmetic number, because the mean of its divisors is an integer number (12884226).

Almost surely, 2^25768451 is an apocalyptic number.

25768451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25768451 is an equidigital number, since it uses as much as digits as its factorization.

25768451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 38.

The square root of 25768451 is about 5076.2634880392. The cubic root of 25768451 is about 295.3675434160.

The spelling of 25768451 in words is "twenty-five million, seven hundred sixty-eight thousand, four hundred fifty-one".