249916067 has 2 divisors, whose sum is σ = 249916068. Its totient is φ = 249916066.

The previous prime is 249916049. The next prime is 249916081. The reversal of 249916067 is 760619942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249916067 - 2⁶ = 249916003 is a prime.

It is a Chen prime.

It is equal to p_13674986 and since 249916067 and 13674986 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (249916267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124958033 + 124958034.

It is an arithmetic number, because the mean of its divisors is an integer number (124958034).

Almost surely, 2^249916067 is an apocalyptic number.

249916067 is a deficient number, since it is larger than the sum of its proper divisors (1).

249916067 is an equidigital number, since it uses as much as digits as its factorization.

249916067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 249916067 is about 15808.7338835215. The cubic root of 249916067 is about 629.8900177540.

The spelling of 249916067 in words is "two hundred forty-nine million, nine hundred sixteen thousand, sixty-seven".