212240593 has 2 divisors, whose sum is σ = 212240594. Its totient is φ = 212240592.

The previous prime is 212240551. The next prime is 212240603. The reversal of 212240593 is 395042212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 9690769 = 14232^2 + 3113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212240593 is a prime.

It is not a weakly prime, because it can be changed into another prime (212240543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106120296 + 106120297.

It is an arithmetic number, because the mean of its divisors is an integer number (106120297).

Almost surely, 2^212240593 is an apocalyptic number.

It is an amenable number.

212240593 is a deficient number, since it is larger than the sum of its proper divisors (1).

212240593 is an equidigital number, since it uses as much as digits as its factorization.

212240593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 212240593 is about 14568.4794333520. The cubic root of 212240593 is about 596.4986752113.

The spelling of 212240593 in words is "two hundred twelve million, two hundred forty thousand, five hundred ninety-three".