1255303315 has 48 divisors (see below), whose sum is σ = 1836490752. Its totient is φ = 819758016.

The previous prime is 1255303303. The next prime is 1255303319. The reversal of 1255303315 is 5133035521.

It is not a de Polignac number, because 1255303315 - 2²³ = 1246914707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255303319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2067742 + ... + 2068348.

It is an arithmetic number, because the mean of its divisors is an integer number (38260224).

Almost surely, 2^1255303315 is an apocalyptic number.

1255303315 is a deficient number, since it is larger than the sum of its proper divisors (581187437).

1255303315 is a wasteful number, since it uses less digits than its factorization.

1255303315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 1255303315 is about 35430.2598776808. The cubic root of 1255303315 is about 1078.7386150746.

Adding to 1255303315 its reverse (5133035521), we get a palindrome (6388338836).

The spelling of 1255303315 in words is "one billion, two hundred fifty-five million, three hundred three thousand, three hundred fifteen".