25982263 has 2 divisors, whose sum is σ = 25982264. Its totient is φ = 25982262.

The previous prime is 25982261. The next prime is 25982267. The reversal of 25982263 is 36228952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25982263 - 2¹ = 25982261 is a prime.

It is a super-3 number, since 3×25982263³ (a number of 23 digits) contains 333 as substring.

Together with 25982261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25982261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12991131 + 12991132.

It is an arithmetic number, because the mean of its divisors is an integer number (12991132).

Almost surely, 2^25982263 is an apocalyptic number.

25982263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25982263 is an equidigital number, since it uses as much as digits as its factorization.

25982263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 25982263 is about 5097.2799609203. The cubic root of 25982263 is about 296.1822251150.

The spelling of 25982263 in words is "twenty-five million, nine hundred eighty-two thousand, two hundred sixty-three".