25512679 has 2 divisors, whose sum is σ = 25512680. Its totient is φ = 25512678.

The previous prime is 25512671. The next prime is 25512709. The reversal of 25512679 is 97621552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25512679 - 2³ = 25512671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25512671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756339 + 12756340.

It is an arithmetic number, because the mean of its divisors is an integer number (12756340).

Almost surely, 2^25512679 is an apocalyptic number.

25512679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25512679 is an equidigital number, since it uses as much as digits as its factorization.

25512679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 25512679 is about 5051.0077212374. The cubic root of 25512679 is about 294.3870409621.

The spelling of 25512679 in words is "twenty-five million, five hundred twelve thousand, six hundred seventy-nine".