213296737 has 2 divisors, whose sum is σ = 213296738. Its totient is φ = 213296736.

The previous prime is 213296701. The next prime is 213296753. The reversal of 213296737 is 737692312.

213296737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203804176 + 9492561 = 14276^2 + 3081^2 .

It is a cyclic number.

It is not a de Polignac number, because 213296737 - 2¹¹ = 213294689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213296737.

It is not a weakly prime, because it can be changed into another prime (213296137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106648368 + 106648369.

It is an arithmetic number, because the mean of its divisors is an integer number (106648369).

Almost surely, 2^213296737 is an apocalyptic number.

It is an amenable number.

213296737 is a deficient number, since it is larger than the sum of its proper divisors (1).

213296737 is an equidigital number, since it uses as much as digits as its factorization.

213296737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 213296737 is about 14604.6820232417. The cubic root of 213296737 is about 597.4864636325.

The spelling of 213296737 in words is "two hundred thirteen million, two hundred ninety-six thousand, seven hundred thirty-seven".