25422863 has 4 divisors (see below), whose sum is σ = 25532208. Its totient is φ = 25313520.

The previous prime is 25422857. The next prime is 25422877. The reversal of 25422863 is 36822452.

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 25422863 - 2¹⁰ = 25421839 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 (25422823) 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 in 3 ways as a sum of consecutive naturals, for example, 54323 + ... + 54788.

It is an arithmetic number, because the mean of its divisors is an integer number (6383052).

Almost surely, 2^25422863 is an apocalyptic number.

25422863 is a deficient number, since it is larger than the sum of its proper divisors (109345).

25422863 is a wasteful number, since it uses less digits than its factorization.

25422863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109344.

The product of its digits is 23040, while the sum is 32.

The square root of 25422863 is about 5042.1089833521. The cubic root of 25422863 is about 294.0411769188.

The spelling of 25422863 in words is "twenty-five million, four hundred twenty-two thousand, eight hundred sixty-three".