249804011 has 2 divisors, whose sum is σ = 249804012. Its totient is φ = 249804010.

The previous prime is 249803993. The next prime is 249804017. The reversal of 249804011 is 110408942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249804011 - 2⁶ = 249803947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (249804017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124902005 + 124902006.

It is an arithmetic number, because the mean of its divisors is an integer number (124902006).

Almost surely, 2^249804011 is an apocalyptic number.

249804011 is a deficient number, since it is larger than the sum of its proper divisors (1).

249804011 is an equidigital number, since it uses as much as digits as its factorization.

249804011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 249804011 is about 15805.1893693179. The cubic root of 249804011 is about 629.7958614659.

The spelling of 249804011 in words is "two hundred forty-nine million, eight hundred four thousand, eleven".