25005263 has 2 divisors, whose sum is σ = 25005264. Its totient is φ = 25005262.

The previous prime is 25005191. The next prime is 25005287. The reversal of 25005263 is 36250052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25005263 - 2¹² = 25001167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25005293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502631 + 12502632.

It is an arithmetic number, because the mean of its divisors is an integer number (12502632).

Almost surely, 2^25005263 is an apocalyptic number.

25005263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005263 is an equidigital number, since it uses as much as digits as its factorization.

25005263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25005263 is about 5000.5262723037. The cubic root of 25005263 is about 292.4222911887.

The spelling of 25005263 in words is "twenty-five million, five thousand, two hundred sixty-three".