213415339 has 2 divisors, whose sum is σ = 213415340. Its totient is φ = 213415338.

The previous prime is 213415283. The next prime is 213415343. The reversal of 213415339 is 933514312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213415339 - 2⁷ = 213415211 is a prime.

It is a super-2 number, since 2×213415339² = 91092213840969842, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213415339.

It is not a weakly prime, because it can be changed into another prime (213715339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106707669 + 106707670.

It is an arithmetic number, because the mean of its divisors is an integer number (106707670).

Almost surely, 2^213415339 is an apocalyptic number.

213415339 is a deficient number, since it is larger than the sum of its proper divisors (1).

213415339 is an equidigital number, since it uses as much as digits as its factorization.

213415339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 213415339 is about 14608.7418691686. The cubic root of 213415339 is about 597.5971856878.

The spelling of 213415339 in words is "two hundred thirteen million, four hundred fifteen thousand, three hundred thirty-nine".