35684213 has 2 divisors, whose sum is σ = 35684214. Its totient is φ = 35684212.

The previous prime is 35684189. The next prime is 35684249. The reversal of 35684213 is 31248653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29343889 + 6340324 = 5417^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 35684213 - 2²⁰ = 34635637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35684213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35684113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17842106 + 17842107.

It is an arithmetic number, because the mean of its divisors is an integer number (17842107).

Almost surely, 2^35684213 is an apocalyptic number.

It is an amenable number.

35684213 is a deficient number, since it is larger than the sum of its proper divisors (1).

35684213 is an equidigital number, since it uses as much as digits as its factorization.

35684213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 35684213 is about 5973.6264530016. The cubic root of 35684213 is about 329.2244198260.

The spelling of 35684213 in words is "thirty-five million, six hundred eighty-four thousand, two hundred thirteen".