830549 has 2 divisors, whose sum is σ = 830550. Its totient is φ = 830548.

The previous prime is 830513. The next prime is 830551. The reversal of 830549 is 945038.

830549 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., 734449 + 96100 = 857^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 830549 - 2⁸ = 830293 is a prime.

Together with 830551, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415274 + 415275.

It is an arithmetic number, because the mean of its divisors is an integer number (415275).

2⁸³⁰⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

830549 is a deficient number, since it is larger than the sum of its proper divisors (1).

830549 is an equidigital number, since it uses as much as digits as its factorization.

830549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 830549 is about 911.3446110007. The cubic root of 830549 is about 93.9986796253.

The spelling of 830549 in words is "eight hundred thirty thousand, five hundred forty-nine".