655360213 has 2 divisors, whose sum is σ = 655360214. Its totient is φ = 655360212.

The previous prime is 655360207. The next prime is 655360219. The reversal of 655360213 is 312063556.

It is a balanced prime because it is at equal distance from previous prime (655360207) and next prime (655360219).

It can be written as a sum of positive squares in only one way, i.e., 495641169 + 159719044 = 22263^2 + 12638^2 .

It is a cyclic number.

It is not a de Polignac number, because 655360213 - 2⁹ = 655359701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655360219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327680106 + 327680107.

It is an arithmetic number, because the mean of its divisors is an integer number (327680107).

Almost surely, 2^655360213 is an apocalyptic number.

It is an amenable number.

655360213 is a deficient number, since it is larger than the sum of its proper divisors (1).

655360213 is an equidigital number, since it uses as much as digits as its factorization.

655360213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 655360213 is about 25600.0041601559. The cubic root of 655360213 is about 868.6137314137.

It can be divided in two parts, 6553 and 60213, that added together give a palindrome (66766).

The spelling of 655360213 in words is "six hundred fifty-five million, three hundred sixty thousand, two hundred thirteen".