25373863 has 2 divisors, whose sum is σ = 25373864. Its totient is φ = 25373862.

The previous prime is 25373861. The next prime is 25373923. The reversal of 25373863 is 36837352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25373863 - 2¹ = 25373861 is a prime.

Together with 25373861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25373861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12686931 + 12686932.

It is an arithmetic number, because the mean of its divisors is an integer number (12686932).

Almost surely, 2^25373863 is an apocalyptic number.

25373863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25373863 is an equidigital number, since it uses as much as digits as its factorization.

25373863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 25373863 is about 5037.2475619132. The cubic root of 25373863 is about 293.8521438654.

It can be divided in two parts, 2537 and 3863, that added together give a square (6400 = 80²).

The spelling of 25373863 in words is "twenty-five million, three hundred seventy-three thousand, eight hundred sixty-three".