213470269 has 2 divisors, whose sum is σ = 213470270. Its totient is φ = 213470268.

The previous prime is 213470261. The next prime is 213470297. The reversal of 213470269 is 962074312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151659225 + 61811044 = 12315^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 213470269 - 2³ = 213470261 is a prime.

It is a super-2 number, since 2×213470269² = 91139111493864722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213470261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106735134 + 106735135.

It is an arithmetic number, because the mean of its divisors is an integer number (106735135).

Almost surely, 2^213470269 is an apocalyptic number.

It is an amenable number.

213470269 is a deficient number, since it is larger than the sum of its proper divisors (1).

213470269 is an equidigital number, since it uses as much as digits as its factorization.

213470269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 213470269 is about 14610.6217869056. The cubic root of 213470269 is about 597.6484522269.

The spelling of 213470269 in words is "two hundred thirteen million, four hundred seventy thousand, two hundred sixty-nine".