25001863 has 2 divisors, whose sum is σ = 25001864. Its totient is φ = 25001862.

The previous prime is 25001839. The next prime is 25001881. The reversal of 25001863 is 36810052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25001863 - 2⁹ = 25001351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25001803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500931 + 12500932.

It is an arithmetic number, because the mean of its divisors is an integer number (12500932).

Almost surely, 2^25001863 is an apocalyptic number.

25001863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001863 is an equidigital number, since it uses as much as digits as its factorization.

25001863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25001863 is about 5000.1862965294. The cubic root of 25001863 is about 292.4090369009.

The spelling of 25001863 in words is "twenty-five million, one thousand, eight hundred sixty-three".