213601763 has 2 divisors, whose sum is σ = 213601764. Its totient is φ = 213601762.

The previous prime is 213601757. The next prime is 213601783. The reversal of 213601763 is 367106312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213601763 is a prime.

It is not a weakly prime, because it can be changed into another prime (213601783) 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, 106800881 + 106800882.

It is an arithmetic number, because the mean of its divisors is an integer number (106800882).

Almost surely, 2^213601763 is an apocalyptic number.

213601763 is a deficient number, since it is larger than the sum of its proper divisors (1).

213601763 is an equidigital number, since it uses as much as digits as its factorization.

213601763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 213601763 is about 14615.1210395262. The cubic root of 213601763 is about 597.7711407483.

The spelling of 213601763 in words is "two hundred thirteen million, six hundred one thousand, seven hundred sixty-three".