2668903 has 2 divisors, whose sum is σ = 2668904. Its totient is φ = 2668902.

The previous prime is 2668889. The next prime is 2668907. The reversal of 2668903 is 3098662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2668903 - 2²¹ = 571751 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334451 + 1334452.

It is an arithmetic number, because the mean of its divisors is an integer number (1334452).

2^2668903 is an apocalyptic number.

2668903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668903 is an equidigital number, since it uses as much as digits as its factorization.

2668903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2668903 is about 1633.6777528019. The cubic root of 2668903 is about 138.7110087121.

The spelling of 2668903 in words is "two million, six hundred sixty-eight thousand, nine hundred three".