25890679 has 2 divisors, whose sum is σ = 25890680. Its totient is φ = 25890678.

The previous prime is 25890653. The next prime is 25890703. The reversal of 25890679 is 97609852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25890679 - 2⁷ = 25890551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25890619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945339 + 12945340.

It is an arithmetic number, because the mean of its divisors is an integer number (12945340).

Almost surely, 2^25890679 is an apocalyptic number.

25890679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25890679 is an equidigital number, since it uses as much as digits as its factorization.

25890679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 25890679 is about 5088.2884155677. The cubic root of 25890679 is about 295.8338145246.

It can be divided in two parts, 25890 and 679, that added together give a square (26569 = 163²).

The spelling of 25890679 in words is "twenty-five million, eight hundred ninety thousand, six hundred seventy-nine".