82213603 has 2 divisors, whose sum is σ = 82213604. Its totient is φ = 82213602.

The previous prime is 82213591. The next prime is 82213613. The reversal of 82213603 is 30631228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82213603 is a prime.

It is not a weakly prime, because it can be changed into another prime (82213613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41106801 + 41106802.

It is an arithmetic number, because the mean of its divisors is an integer number (41106802).

Almost surely, 2^82213603 is an apocalyptic number.

82213603 is a deficient number, since it is larger than the sum of its proper divisors (1).

82213603 is an equidigital number, since it uses as much as digits as its factorization.

82213603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 82213603 is about 9067.1717200018. The cubic root of 82213603 is about 434.8250549431.

The spelling of 82213603 in words is "eighty-two million, two hundred thirteen thousand, six hundred three".