207284213 has 4 divisors (see below), whose sum is σ = 219477420. Its totient is φ = 195091008.

The previous prime is 207284201. The next prime is 207284221. The reversal of 207284213 is 312482702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79887844 + 127396369 = 8938^2 + 11287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207284213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207284263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6096578 + ... + 6096611.

It is an arithmetic number, because the mean of its divisors is an integer number (54869355).

Almost surely, 2^207284213 is an apocalyptic number.

It is an amenable number.

207284213 is a deficient number, since it is larger than the sum of its proper divisors (12193207).

207284213 is a wasteful number, since it uses less digits than its factorization.

207284213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193206.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 207284213 is about 14397.3682664576. The cubic root of 207284213 is about 591.8187799421.

The spelling of 207284213 in words is "two hundred seven million, two hundred eighty-four thousand, two hundred thirteen".