830513 has 2 divisors, whose sum is σ = 830514. Its totient is φ = 830512.

The previous prime is 830503. The next prime is 830549. The reversal of 830513 is 315038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478864 + 351649 = 692^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 830513 - 2⁴ = 830497 is a prime.

It is not a weakly prime, because it can be changed into another prime (830503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415256 + 415257.

It is an arithmetic number, because the mean of its divisors is an integer number (415257).

2⁸³⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

830513 is a deficient number, since it is larger than the sum of its proper divisors (1).

830513 is an equidigital number, since it uses as much as digits as its factorization.

830513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 830513 is about 911.3248597509. The cubic root of 830513 is about 93.9973214870.

The spelling of 830513 in words is "eight hundred thirty thousand, five hundred thirteen".