834305513 has 2 divisors, whose sum is σ = 834305514. Its totient is φ = 834305512.

The previous prime is 834305509. The next prime is 834305531. The reversal of 834305513 is 315503438.

Together with next prime (834305531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764633104 + 69672409 = 27652^2 + 8347^2 .

It is a cyclic number.

It is not a de Polignac number, because 834305513 - 2² = 834305509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834305513.

It is not a weakly prime, because it can be changed into another prime (830305513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417152756 + 417152757.

It is an arithmetic number, because the mean of its divisors is an integer number (417152757).

Almost surely, 2^834305513 is an apocalyptic number.

It is an amenable number.

834305513 is a deficient number, since it is larger than the sum of its proper divisors (1).

834305513 is an equidigital number, since it uses as much as digits as its factorization.

834305513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 834305513 is about 28884.3471970547. The cubic root of 834305513 is about 941.4018291056.

The spelling of 834305513 in words is "eight hundred thirty-four million, three hundred five thousand, five hundred thirteen".