213602849 has 2 divisors, whose sum is σ = 213602850. Its totient is φ = 213602848.

The previous prime is 213602791. The next prime is 213602867. The reversal of 213602849 is 948206312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 4624 = 14615^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 213602849 - 2⁸ = 213602593 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (213602869) 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, 106801424 + 106801425.

It is an arithmetic number, because the mean of its divisors is an integer number (106801425).

Almost surely, 2^213602849 is an apocalyptic number.

It is an amenable number.

213602849 is a deficient number, since it is larger than the sum of its proper divisors (1).

213602849 is an equidigital number, since it uses as much as digits as its factorization.

213602849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 213602849 is about 14615.1581927805. The cubic root of 213602849 is about 597.7721538148.

The spelling of 213602849 in words is "two hundred thirteen million, six hundred two thousand, eight hundred forty-nine".