25853959 has 2 divisors, whose sum is σ = 25853960. Its totient is φ = 25853958.

The previous prime is 25853939. The next prime is 25853999. The reversal of 25853959 is 95935852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25853959 - 2¹⁹ = 25329671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25853939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926979 + 12926980.

It is an arithmetic number, because the mean of its divisors is an integer number (12926980).

Almost surely, 2^25853959 is an apocalyptic number.

25853959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25853959 is an equidigital number, since it uses as much as digits as its factorization.

25853959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 46.

The square root of 25853959 is about 5084.6788492490. The cubic root of 25853959 is about 295.6938908441.

The spelling of 25853959 in words is "twenty-five million, eight hundred fifty-three thousand, nine hundred fifty-nine".