255253131443 has 4 divisors (see below), whose sum is σ = 255256180920. Its totient is φ = 255250081968.

The previous prime is 255253131437. The next prime is 255253131461. The reversal of 255253131443 is 344131352552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255253131443 - 2⁶ = 255253131379 is a prime.

It is a super-2 number, since 2×255253131443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255253131397 and 255253131406.

It is not an unprimeable number, because it can be changed into a prime (255253131943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395533 + ... + 1567806.

It is an arithmetic number, because the mean of its divisors is an integer number (63814045230).

Almost surely, 2^255253131443 is an apocalyptic number.

255253131443 is a deficient number, since it is larger than the sum of its proper divisors (3049477).

255253131443 is an equidigital number, since it uses as much as digits as its factorization.

255253131443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049476.

The product of its digits is 216000, while the sum is 38.

Adding to 255253131443 its reverse (344131352552), we get a palindrome (599384483995).

The spelling of 255253131443 in words is "two hundred fifty-five billion, two hundred fifty-three million, one hundred thirty-one thousand, four hundred forty-three".