213953083 has 2 divisors, whose sum is σ = 213953084. Its totient is φ = 213953082.

The previous prime is 213953029. The next prime is 213953087. The reversal of 213953083 is 380359312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213953083 - 2¹³ = 213944891 is a prime.

It is not a weakly prime, because it can be changed into another prime (213953087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106976541 + 106976542.

It is an arithmetic number, because the mean of its divisors is an integer number (106976542).

Almost surely, 2^213953083 is an apocalyptic number.

213953083 is a deficient number, since it is larger than the sum of its proper divisors (1).

213953083 is an equidigital number, since it uses as much as digits as its factorization.

213953083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 213953083 is about 14627.1351603792. The cubic root of 213953083 is about 598.0986878659.

The spelling of 213953083 in words is "two hundred thirteen million, nine hundred fifty-three thousand, eighty-three".