25580959 has 2 divisors, whose sum is σ = 25580960. Its totient is φ = 25580958.

The previous prime is 25580941. The next prime is 25580981. The reversal of 25580959 is 95908552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25580959 - 2¹⁹ = 25056671 is a prime.

It is equal to p_1599928 and since 25580959 and 1599928 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25580909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790479 + 12790480.

It is an arithmetic number, because the mean of its divisors is an integer number (12790480).

Almost surely, 2^25580959 is an apocalyptic number.

25580959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25580959 is an equidigital number, since it uses as much as digits as its factorization.

25580959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 25580959 is about 5057.7622522218. The cubic root of 25580959 is about 294.6494313051.

The spelling of 25580959 in words is "twenty-five million, five hundred eighty thousand, nine hundred fifty-nine".