213360403 has 2 divisors, whose sum is σ = 213360404. Its totient is φ = 213360402.

The previous prime is 213360359. The next prime is 213360419. The reversal of 213360403 is 304063312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213360403 is a prime.

It is not a weakly prime, because it can be changed into another prime (213360473) 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, 106680201 + 106680202.

It is an arithmetic number, because the mean of its divisors is an integer number (106680202).

Almost surely, 2^213360403 is an apocalyptic number.

213360403 is a deficient number, since it is larger than the sum of its proper divisors (1).

213360403 is an equidigital number, since it uses as much as digits as its factorization.

213360403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 213360403 is about 14606.8615041014. The cubic root of 213360403 is about 597.5459047497.

The spelling of 213360403 in words is "two hundred thirteen million, three hundred sixty thousand, four hundred three".