835742497 has 2 divisors, whose sum is σ = 835742498. Its totient is φ = 835742496.

The previous prime is 835742473. The next prime is 835742507. The reversal of 835742497 is 794247538.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466948881 + 368793616 = 21609^2 + 19204^2 .

It is a cyclic number.

It is not a de Polignac number, because 835742497 - 2¹¹ = 835740449 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 835742497.

It is not a weakly prime, because it can be changed into another prime (835742407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417871248 + 417871249.

It is an arithmetic number, because the mean of its divisors is an integer number (417871249).

Almost surely, 2^835742497 is an apocalyptic number.

It is an amenable number.

835742497 is a deficient number, since it is larger than the sum of its proper divisors (1).

835742497 is an equidigital number, since it uses as much as digits as its factorization.

835742497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 835742497 is about 28909.2112829112. The cubic root of 835742497 is about 941.9420003116.

The spelling of 835742497 in words is "eight hundred thirty-five million, seven hundred forty-two thousand, four hundred ninety-seven".