213934337 has 2 divisors, whose sum is σ = 213934338. Its totient is φ = 213934336.

The previous prime is 213934321. The next prime is 213934361. The reversal of 213934337 is 733439312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210366016 + 3568321 = 14504^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 213934337 - 2⁴ = 213934321 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213934297 and 213934306.

It is not a weakly prime, because it can be changed into another prime (213936337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106967168 + 106967169.

It is an arithmetic number, because the mean of its divisors is an integer number (106967169).

Almost surely, 2^213934337 is an apocalyptic number.

It is an amenable number.

213934337 is a deficient number, since it is larger than the sum of its proper divisors (1).

213934337 is an equidigital number, since it uses as much as digits as its factorization.

213934337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 35.

The square root of 213934337 is about 14626.4943510056. The cubic root of 213934337 is about 598.0812194170.

The spelling of 213934337 in words is "two hundred thirteen million, nine hundred thirty-four thousand, three hundred thirty-seven".