25269963 has 4 divisors (see below), whose sum is σ = 33693288. Its totient is φ = 16846640.

The previous prime is 25269947. The next prime is 25269977. The reversal of 25269963 is 36996252.

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 25269963 - 2⁴ = 25269947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25269913) 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, 4211658 + ... + 4211663.

It is an arithmetic number, because the mean of its divisors is an integer number (8423322).

Almost surely, 2^25269963 is an apocalyptic number.

25269963 is a deficient number, since it is larger than the sum of its proper divisors (8423325).

25269963 is an equidigital number, since it uses as much as digits as its factorization.

25269963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423324.

The product of its digits is 174960, while the sum is 42.

The square root of 25269963 is about 5026.9238108410. The cubic root of 25269963 is about 293.4505100325.

The spelling of 25269963 in words is "twenty-five million, two hundred sixty-nine thousand, nine hundred sixty-three".