213083807 has 2 divisors, whose sum is σ = 213083808. Its totient is φ = 213083806.

The previous prime is 213083779. The next prime is 213083809. The reversal of 213083807 is 708380312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213083807 - 2⁶ = 213083743 is a prime.

It is a super-2 number, since 2×213083807² = 90809417611226498, which contains 22 as substring.

Together with 213083809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213083809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106541903 + 106541904.

It is an arithmetic number, because the mean of its divisors is an integer number (106541904).

Almost surely, 2^213083807 is an apocalyptic number.

213083807 is a deficient number, since it is larger than the sum of its proper divisors (1).

213083807 is an equidigital number, since it uses as much as digits as its factorization.

213083807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 213083807 is about 14597.3904174685. The cubic root of 213083807 is about 597.2875777163.

The spelling of 213083807 in words is "two hundred thirteen million, eighty-three thousand, eight hundred seven".