25598959 has 2 divisors, whose sum is σ = 25598960. Its totient is φ = 25598958.

The previous prime is 25598933. The next prime is 25598971. The reversal of 25598959 is 95989552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25598959 - 2⁷ = 25598831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25598059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12799479 + 12799480.

It is an arithmetic number, because the mean of its divisors is an integer number (12799480).

Almost surely, 2^25598959 is an apocalyptic number.

25598959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25598959 is an equidigital number, since it uses as much as digits as its factorization.

25598959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 52.

The square root of 25598959 is about 5059.5413823784. The cubic root of 25598959 is about 294.7185249654.

The spelling of 25598959 in words is "twenty-five million, five hundred ninety-eight thousand, nine hundred fifty-nine".