213555341 has 2 divisors, whose sum is σ = 213555342. Its totient is φ = 213555340.

The previous prime is 213555323. The next prime is 213555361. The reversal of 213555341 is 143555312.

213555341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212868100 + 687241 = 14590^2 + 829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213555341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213555301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106777670 + 106777671.

It is an arithmetic number, because the mean of its divisors is an integer number (106777671).

Almost surely, 2^213555341 is an apocalyptic number.

It is an amenable number.

213555341 is a deficient number, since it is larger than the sum of its proper divisors (1).

213555341 is an equidigital number, since it uses as much as digits as its factorization.

213555341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 213555341 is about 14613.5328035352. The cubic root of 213555341 is about 597.7278331432.

Subtracting from 213555341 its sum of digits (29), we obtain a palindrome (213555312).

The spelling of 213555341 in words is "two hundred thirteen million, five hundred fifty-five thousand, three hundred forty-one".