255213543 has 32 divisors (see below), whose sum is σ = 395619840. Its totient is φ = 145031040.

The previous prime is 255213523. The next prime is 255213577. The reversal of 255213543 is 345312552.

It is not a de Polignac number, because 255213543 - 2⁹ = 255213031 is a prime.

It is a super-2 number, since 2×255213543² = 130267905061225698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255213543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255213523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21108 + ... + 30918.

It is an arithmetic number, because the mean of its divisors is an integer number (12363120).

Almost surely, 2^255213543 is an apocalyptic number.

255213543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

255213543 is a deficient number, since it is larger than the sum of its proper divisors (140406297).

255213543 is a wasteful number, since it uses less digits than its factorization.

255213543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879.

The product of its digits is 18000, while the sum is 30.

The square root of 255213543 is about 15975.4043141324. The cubic root of 255213543 is about 634.3095336618.

Subtracting 255213543 from its reverse (345312552), we obtain a palindrome (90099009).

The spelling of 255213543 in words is "two hundred fifty-five million, two hundred thirteen thousand, five hundred forty-three".