214205269 has 2 divisors, whose sum is σ = 214205270. Its totient is φ = 214205268.

The previous prime is 214205267. The next prime is 214205351. The reversal of 214205269 is 962502412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128550244 + 85655025 = 11338^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 214205269 - 2¹ = 214205267 is a prime.

It is a super-2 number, since 2×214205269² = 91767794534724722, which contains 22 as substring.

Together with 214205267, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 214205269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214205263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107102634 + 107102635.

It is an arithmetic number, because the mean of its divisors is an integer number (107102635).

Almost surely, 2^214205269 is an apocalyptic number.

It is an amenable number.

214205269 is a deficient number, since it is larger than the sum of its proper divisors (1).

214205269 is an equidigital number, since it uses as much as digits as its factorization.

214205269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 214205269 is about 14635.7531066905. The cubic root of 214205269 is about 598.3335881074. Note that the first 3 decimals are identical.

The spelling of 214205269 in words is "two hundred fourteen million, two hundred five thousand, two hundred sixty-nine".