215213341 has 6 divisors (see below), whose sum is σ = 250350270. Its totient is φ = 184468536.

The previous prime is 215213281. The next prime is 215213351. The reversal of 215213341 is 143312512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 89302500 = 11221^2 + 9450^2 .

It is not a de Polignac number, because 215213341 - 2⁷ = 215213213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215213351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2196006 + ... + 2196103.

It is an arithmetic number, because the mean of its divisors is an integer number (41725045).

Almost surely, 2^215213341 is an apocalyptic number.

It is an amenable number.

215213341 is a deficient number, since it is larger than the sum of its proper divisors (35136929).

215213341 is an equidigital number, since it uses as much as digits as its factorization.

215213341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392123 (or 4392116 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 215213341 is about 14670.1513625457. The cubic root of 215213341 is about 599.2707259952.

Adding to 215213341 its reverse (143312512), we get a palindrome (358525853).

The spelling of 215213341 in words is "two hundred fifteen million, two hundred thirteen thousand, three hundred forty-one".