25602259 has 2 divisors, whose sum is σ = 25602260. Its totient is φ = 25602258.

The previous prime is 25602257. The next prime is 25602281. The reversal of 25602259 is 95220652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25602259 - 2¹ = 25602257 is a prime.

Together with 25602257, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25602259.

It is not a weakly prime, because it can be changed into another prime (25602257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12801129 + 12801130.

It is an arithmetic number, because the mean of its divisors is an integer number (12801130).

Almost surely, 2^25602259 is an apocalyptic number.

25602259 is a deficient number, since it is larger than the sum of its proper divisors (1).

25602259 is an equidigital number, since it uses as much as digits as its factorization.

25602259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 25602259 is about 5059.8674883835. The cubic root of 25602259 is about 294.7311886229.

The spelling of 25602259 in words is "twenty-five million, six hundred two thousand, two hundred fifty-nine".