25380263 has 4 divisors (see below), whose sum is σ = 25395480. Its totient is φ = 25365048.

The previous prime is 25380217. The next prime is 25380283. The reversal of 25380263 is 36208352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25380263 - 2¹⁰ = 25379239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (6348870).

Almost surely, 2^25380263 is an apocalyptic number.

25380263 is a deficient number, since it is larger than the sum of its proper divisors (15217).

25380263 is a wasteful number, since it uses less digits than its factorization.

25380263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25380263 is about 5037.8827894265. The cubic root of 25380263 is about 293.8768477063.

The spelling of 25380263 in words is "twenty-five million, three hundred eighty thousand, two hundred sixty-three".