249916003 has 2 divisors, whose sum is σ = 249916004. Its totient is φ = 249916002.

The previous prime is 249915979. The next prime is 249916021. The reversal of 249916003 is 300619942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249916003 - 2⁵ = 249915971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249916003.

It is not a weakly prime, because it can be changed into another prime (249916103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124958001 + 124958002.

It is an arithmetic number, because the mean of its divisors is an integer number (124958002).

Almost surely, 2^249916003 is an apocalyptic number.

249916003 is a deficient number, since it is larger than the sum of its proper divisors (1).

249916003 is an equidigital number, since it uses as much as digits as its factorization.

249916003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 249916003 is about 15808.7318593238. The cubic root of 249916003 is about 629.8899639853.

The spelling of 249916003 in words is "two hundred forty-nine million, nine hundred sixteen thousand, three".