213572267 has 2 divisors, whose sum is σ = 213572268. Its totient is φ = 213572266.

The previous prime is 213572257. The next prime is 213572287. The reversal of 213572267 is 762275312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213572267 - 2¹² = 213568171 is a prime.

It is a super-2 number, since 2×213572267² = 91226226463038578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213572257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106786133 + 106786134.

It is an arithmetic number, because the mean of its divisors is an integer number (106786134).

Almost surely, 2^213572267 is an apocalyptic number.

213572267 is a deficient number, since it is larger than the sum of its proper divisors (1).

213572267 is an equidigital number, since it uses as much as digits as its factorization.

213572267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 213572267 is about 14614.1119128054. Note that the first 3 decimals coincide. The cubic root of 213572267 is about 597.7436243256.

The spelling of 213572267 in words is "two hundred thirteen million, five hundred seventy-two thousand, two hundred sixty-seven".