246312149 has 2 divisors, whose sum is σ = 246312150. Its totient is φ = 246312148.

The previous prime is 246312139. The next prime is 246312151. The reversal of 246312149 is 941213642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148401124 + 97911025 = 12182^2 + 9895^2 .

It is a cyclic number.

It is not a de Polignac number, because 246312149 - 2⁸ = 246311893 is a prime.

It is a Sophie Germain prime.

Together with 246312151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246312139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123156074 + 123156075.

It is an arithmetic number, because the mean of its divisors is an integer number (123156075).

Almost surely, 2^246312149 is an apocalyptic number.

It is an amenable number.

246312149 is a deficient number, since it is larger than the sum of its proper divisors (1).

246312149 is an equidigital number, since it uses as much as digits as its factorization.

246312149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 246312149 is about 15694.3349333446. The cubic root of 246312149 is about 626.8475668266.

The spelling of 246312149 in words is "two hundred forty-six million, three hundred twelve thousand, one hundred forty-nine".