25385263 has 2 divisors, whose sum is σ = 25385264. Its totient is φ = 25385262.

The previous prime is 25385257. The next prime is 25385287. The reversal of 25385263 is 36258352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25385263 - 2¹³ = 25377071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25382263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12692631 + 12692632.

It is an arithmetic number, because the mean of its divisors is an integer number (12692632).

Almost surely, 2^25385263 is an apocalyptic number.

25385263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25385263 is an equidigital number, since it uses as much as digits as its factorization.

25385263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 25385263 is about 5038.3790051960. The cubic root of 25385263 is about 293.8961446925.

The spelling of 25385263 in words is "twenty-five million, three hundred eighty-five thousand, two hundred sixty-three".