830291641 has 2 divisors, whose sum is σ = 830291642. Its totient is φ = 830291640.

The previous prime is 830291593. The next prime is 830291669. The reversal of 830291641 is 146192038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773062416 + 57229225 = 27804^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 830291641 - 2¹³ = 830283449 is a prime.

It is a super-2 number, since 2×830291641² = 1378768418228945762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 830291597 and 830291606.

It is not a weakly prime, because it can be changed into another prime (830291741) 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, 415145820 + 415145821.

It is an arithmetic number, because the mean of its divisors is an integer number (415145821).

Almost surely, 2^830291641 is an apocalyptic number.

It is an amenable number.

830291641 is a deficient number, since it is larger than the sum of its proper divisors (1).

830291641 is an equidigital number, since it uses as much as digits as its factorization.

830291641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 830291641 is about 28814.7816406788. The cubic root of 830291641 is about 939.8896962014.

The spelling of 830291641 in words is "eight hundred thirty million, two hundred ninety-one thousand, six hundred forty-one".