830540959 has 2 divisors, whose sum is σ = 830540960. Its totient is φ = 830540958.

The previous prime is 830540957. The next prime is 830540993. The reversal of 830540959 is 959045038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830540959 - 2¹ = 830540957 is a prime.

Together with 830540957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830540957) 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, 415270479 + 415270480.

It is an arithmetic number, because the mean of its divisors is an integer number (415270480).

Almost surely, 2^830540959 is an apocalyptic number.

830540959 is a deficient number, since it is larger than the sum of its proper divisors (1).

830540959 is an equidigital number, since it uses as much as digits as its factorization.

830540959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 830540959 is about 28819.1075330240. The cubic root of 830540959 is about 939.9837627345.

The spelling of 830540959 in words is "eight hundred thirty million, five hundred forty thousand, nine hundred fifty-nine".