213701093 has 2 divisors, whose sum is σ = 213701094. Its totient is φ = 213701092.

The previous prime is 213701071. The next prime is 213701107. The reversal of 213701093 is 390107312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170903329 + 42797764 = 13073^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 213701093 - 2²⁴ = 196923877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213701023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106850546 + 106850547.

It is an arithmetic number, because the mean of its divisors is an integer number (106850547).

Almost surely, 2^213701093 is an apocalyptic number.

It is an amenable number.

213701093 is a deficient number, since it is larger than the sum of its proper divisors (1).

213701093 is an equidigital number, since it uses as much as digits as its factorization.

213701093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 213701093 is about 14618.5188374199. The cubic root of 213701093 is about 597.8637857482.

The spelling of 213701093 in words is "two hundred thirteen million, seven hundred one thousand, ninety-three".