846131249 has 2 divisors, whose sum is σ = 846131250. Its totient is φ = 846131248.

The previous prime is 846131197. The next prime is 846131257. The reversal of 846131249 is 942131648.

846131249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681471025 + 164660224 = 26105^2 + 12832^2 .

It is a cyclic number.

It is not a de Polignac number, because 846131249 - 2¹² = 846127153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (846131149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423065624 + 423065625.

It is an arithmetic number, because the mean of its divisors is an integer number (423065625).

Almost surely, 2^846131249 is an apocalyptic number.

It is an amenable number.

846131249 is a deficient number, since it is larger than the sum of its proper divisors (1).

846131249 is an equidigital number, since it uses as much as digits as its factorization.

846131249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 846131249 is about 29088.3352737829. The cubic root of 846131249 is about 945.8288963875.

The spelling of 846131249 in words is "eight hundred forty-six million, one hundred thirty-one thousand, two hundred forty-nine".