255410993 has 4 divisors (see below), whose sum is σ = 255509568. Its totient is φ = 255312420.

The previous prime is 255410959. The next prime is 255411001. The reversal of 255410993 is 399014552.

255410993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255410993 - 2¹⁰ = 255409969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255410923) 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, 45293 + ... + 50618.

It is an arithmetic number, because the mean of its divisors is an integer number (63877392).

Almost surely, 2^255410993 is an apocalyptic number.

It is an amenable number.

255410993 is a deficient number, since it is larger than the sum of its proper divisors (98575).

255410993 is an equidigital number, since it uses as much as digits as its factorization.

255410993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98574.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 255410993 is about 15981.5829316123. The cubic root of 255410993 is about 634.4730727001.

The spelling of 255410993 in words is "two hundred fifty-five million, four hundred ten thousand, nine hundred ninety-three".