16255903 has 2 divisors, whose sum is σ = 16255904. Its totient is φ = 16255902.

The previous prime is 16255867. The next prime is 16255919. The reversal of 16255903 is 30955261.

It is a strong prime.

It is an emirp because it is prime and its reverse (30955261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16255903 - 2⁹ = 16255391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16255103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127951 + 8127952.

It is an arithmetic number, because the mean of its divisors is an integer number (8127952).

Almost surely, 2^16255903 is an apocalyptic number.

16255903 is a deficient number, since it is larger than the sum of its proper divisors (1).

16255903 is an equidigital number, since it uses as much as digits as its factorization.

16255903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 16255903 is about 4031.8609847067. The cubic root of 16255903 is about 253.3205173957.

It can be divided in two parts, 162 and 55903, that added together give a palindrome (56065).

The spelling of 16255903 in words is "sixteen million, two hundred fifty-five thousand, nine hundred three".