25903 has 2 divisors, whose sum is σ = 25904. Its totient is φ = 25902.

The previous prime is 25889. The next prime is 25913. The reversal of 25903 is 30952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25903 - 2⁹ = 25391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12951 + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (12952).

2²⁵⁹⁰³ is an apocalyptic number.

25903 is a deficient number, since it is larger than the sum of its proper divisors (1).

25903 is an equidigital number, since it uses as much as digits as its factorization.

25903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 25903 is about 160.9440896709. The cubic root of 25903 is about 29.5880734762.

The spelling of 25903 in words is "twenty-five thousand, nine hundred three".