213367247 has 16 divisors (see below), whose sum is σ = 223843488. Its totient is φ = 203212800.

The previous prime is 213367223. The next prime is 213367249. The reversal of 213367247 is 742763312.

It is a cyclic number.

It is not a de Polignac number, because 213367247 - 2⁸ = 213366991 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213367249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316703 + ... + 317375.

It is an arithmetic number, because the mean of its divisors is an integer number (13990218).

Almost surely, 2^213367247 is an apocalyptic number.

213367247 is a deficient number, since it is larger than the sum of its proper divisors (10476241).

213367247 is a wasteful number, since it uses less digits than its factorization.

213367247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 42336, while the sum is 35.

The square root of 213367247 is about 14607.0957756838. The cubic root of 213367247 is about 597.5522938772.

The spelling of 213367247 in words is "two hundred thirteen million, three hundred sixty-seven thousand, two hundred forty-seven".