213610693 has 2 divisors, whose sum is σ = 213610694. Its totient is φ = 213610692.

The previous prime is 213610669. The next prime is 213610717. The reversal of 213610693 is 396016312.

It is a balanced prime because it is at equal distance from previous prime (213610669) and next prime (213610717).

It can be written as a sum of positive squares in only one way, i.e., 208311489 + 5299204 = 14433^2 + 2302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213610693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213610633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106805346 + 106805347.

It is an arithmetic number, because the mean of its divisors is an integer number (106805347).

Almost surely, 2^213610693 is an apocalyptic number.

It is an amenable number.

213610693 is a deficient number, since it is larger than the sum of its proper divisors (1).

213610693 is an equidigital number, since it uses as much as digits as its factorization.

213610693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 213610693 is about 14615.4265418427. The cubic root of 213610693 is about 597.7794709259.

The spelling of 213610693 in words is "two hundred thirteen million, six hundred ten thousand, six hundred ninety-three".