573216269 has 2 divisors, whose sum is σ = 573216270. Its totient is φ = 573216268.

The previous prime is 573216239. The next prime is 573216271. The reversal of 573216269 is 962612375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428904100 + 144312169 = 20710^2 + 12013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573216269 is a prime.

It is a super-2 number, since 2×573216269² = 657153782092560722, which contains 22 as substring.

Together with 573216271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573216209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286608134 + 286608135.

It is an arithmetic number, because the mean of its divisors is an integer number (286608135).

Almost surely, 2^573216269 is an apocalyptic number.

It is an amenable number.

573216269 is a deficient number, since it is larger than the sum of its proper divisors (1).

573216269 is an equidigital number, since it uses as much as digits as its factorization.

573216269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 573216269 is about 23941.9353645439. The cubic root of 573216269 is about 830.6909951899.

The spelling of 573216269 in words is "five hundred seventy-three million, two hundred sixteen thousand, two hundred sixty-nine".