255325421443 has 4 divisors (see below), whose sum is σ = 255349848600. Its totient is φ = 255300994288.

The previous prime is 255325421399. The next prime is 255325421473. The reversal of 255325421443 is 344124523552.

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 255325421443 - 2¹⁷ = 255325290371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255325421396 and 255325421405.

It is not an unprimeable number, because it can be changed into a prime (255325421473) 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, 12197893 + ... + 12218806.

It is an arithmetic number, because the mean of its divisors is an integer number (63837462150).

Almost surely, 2^255325421443 is an apocalyptic number.

255325421443 is a deficient number, since it is larger than the sum of its proper divisors (24427157).

255325421443 is a wasteful number, since it uses less digits than its factorization.

255325421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24427156.

The product of its digits is 576000, while the sum is 40.

Adding to 255325421443 its reverse (344124523552), we get a palindrome (599449944995).

The spelling of 255325421443 in words is "two hundred fifty-five billion, three hundred twenty-five million, four hundred twenty-one thousand, four hundred forty-three".