255432213 has 12 divisors (see below), whose sum is σ = 369524428. Its totient is φ = 170026560.

The previous prime is 255432211. The next prime is 255432217. The reversal of 255432213 is 312234552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73667889 + 181764324 = 8583^2 + 13482^2 .

It is not a de Polignac number, because 255432213 - 2¹ = 255432211 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 (255432211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15520 + ... + 27417.

Almost surely, 2^255432213 is an apocalyptic number.

It is an amenable number.

255432213 is a deficient number, since it is larger than the sum of its proper divisors (114092215).

255432213 is a wasteful number, since it uses less digits than its factorization.

255432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43604 (or 43601 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 255432213 is about 15982.2468070043. The cubic root of 255432213 is about 634.4906432643.

Adding to 255432213 its reverse (312234552), we get a palindrome (567666765).

The spelling of 255432213 in words is "two hundred fifty-five million, four hundred thirty-two thousand, two hundred thirteen".