1255552333 has 12 divisors (see below), whose sum is σ = 1461124092. Its totient is φ = 1075757760.

The previous prime is 1255552301. The next prime is 1255552367. The reversal of 1255552333 is 3332555521.

It can be written as a sum of positive squares in 2 ways, for example, as 1192873444 + 62678889 = 34538^2 + 7917^2 .

It is not a de Polignac number, because 1255552333 - 2⁵ = 1255552301 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 (1255552373) 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, 210553 + ... + 216433.

It is an arithmetic number, because the mean of its divisors is an integer number (121760341).

Almost surely, 2^1255552333 is an apocalyptic number.

It is an amenable number.

1255552333 is a deficient number, since it is larger than the sum of its proper divisors (205571759).

1255552333 is an equidigital number, since it uses as much as digits as its factorization.

1255552333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252 (or 10245 counting only the distinct ones).

The product of its digits is 67500, while the sum is 34.

The square root of 1255552333 is about 35433.7739028741. The cubic root of 1255552333 is about 1078.8099411487.

The spelling of 1255552333 in words is "one billion, two hundred fifty-five million, five hundred fifty-two thousand, three hundred thirty-three".