25201903 has 2 divisors, whose sum is σ = 25201904. Its totient is φ = 25201902.

The previous prime is 25201901. The next prime is 25201927. The reversal of 25201903 is 30910252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25201903 - 2¹ = 25201901 is a prime.

Together with 25201901, 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 (25201901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600951 + 12600952.

It is an arithmetic number, because the mean of its divisors is an integer number (12600952).

Almost surely, 2^25201903 is an apocalyptic number.

25201903 is a deficient number, since it is larger than the sum of its proper divisors (1).

25201903 is an equidigital number, since it uses as much as digits as its factorization.

25201903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 25201903 is about 5020.1496989632. The cubic root of 25201903 is about 293.1868214904.

The spelling of 25201903 in words is "twenty-five million, two hundred one thousand, nine hundred three".