816035249 has 2 divisors, whose sum is σ = 816035250. Its totient is φ = 816035248.

The previous prime is 816035191. The next prime is 816035261. The reversal of 816035249 is 942530618.

It is a happy number.

816035249 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., 658281649 + 157753600 = 25657^2 + 12560^2 .

It is a cyclic number.

It is not a de Polignac number, because 816035249 - 2⁸ = 816034993 is a prime.

It is a super-2 number, since 2×816035249² = 1331827055220984002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (816035299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408017624 + 408017625.

It is an arithmetic number, because the mean of its divisors is an integer number (408017625).

Almost surely, 2^816035249 is an apocalyptic number.

It is an amenable number.

816035249 is a deficient number, since it is larger than the sum of its proper divisors (1).

816035249 is an equidigital number, since it uses as much as digits as its factorization.

816035249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 816035249 is about 28566.3306884171. The cubic root of 816035249 is about 934.4792009442.

The spelling of 816035249 in words is "eight hundred sixteen million, thirty-five thousand, two hundred forty-nine".