163197533 has 2 divisors, whose sum is σ = 163197534. Its totient is φ = 163197532.

The previous prime is 163197527. The next prime is 163197539. The reversal of 163197533 is 335791361.

It is a balanced prime because it is at equal distance from previous prime (163197527) and next prime (163197539).

It can be written as a sum of positive squares in only one way, i.e., 97555129 + 65642404 = 9877^2 + 8102^2 .

It is a cyclic number.

It is not a de Polignac number, because 163197533 - 2²⁴ = 146420317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163197539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81598766 + 81598767.

It is an arithmetic number, because the mean of its divisors is an integer number (81598767).

Almost surely, 2^163197533 is an apocalyptic number.

It is an amenable number.

163197533 is a deficient number, since it is larger than the sum of its proper divisors (1).

163197533 is an equidigital number, since it uses as much as digits as its factorization.

163197533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 38.

The square root of 163197533 is about 12774.8789818143. The cubic root of 163197533 is about 546.4761296033.

The spelling of 163197533 in words is "one hundred sixty-three million, one hundred ninety-seven thousand, five hundred thirty-three".