25250163 has 4 divisors (see below), whose sum is σ = 33666888. Its totient is φ = 16833440.

The previous prime is 25250143. The next prime is 25250179. The reversal of 25250163 is 36105252.

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 25250163 - 2⁸ = 25249907 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25250123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208358 + ... + 4208363.

It is an arithmetic number, because the mean of its divisors is an integer number (8416722).

Almost surely, 2^25250163 is an apocalyptic number.

25250163 is a deficient number, since it is larger than the sum of its proper divisors (8416725).

25250163 is an equidigital number, since it uses as much as digits as its factorization.

25250163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416724.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25250163 is about 5024.9540296405. The cubic root of 25250163 is about 293.3738467057.

The spelling of 25250163 in words is "twenty-five million, two hundred fifty thousand, one hundred sixty-three".