830993153 has 2 divisors, whose sum is σ = 830993154. Its totient is φ = 830993152.

The previous prime is 830993143. The next prime is 830993203. The reversal of 830993153 is 351399038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794788864 + 36204289 = 28192^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 830993153 - 2¹⁸ = 830731009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 830993153.

It is not a weakly prime, because it can be changed into another prime (830993113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415496576 + 415496577.

It is an arithmetic number, because the mean of its divisors is an integer number (415496577).

Almost surely, 2^830993153 is an apocalyptic number.

It is an amenable number.

830993153 is a deficient number, since it is larger than the sum of its proper divisors (1).

830993153 is an equidigital number, since it uses as much as digits as its factorization.

830993153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 830993153 is about 28826.9518506553. The cubic root of 830993153 is about 940.1543254241.

The spelling of 830993153 in words is "eight hundred thirty million, nine hundred ninety-three thousand, one hundred fifty-three".