1255323315 has 32 divisors (see below), whose sum is σ = 2034878976. Its totient is φ = 660764160.

The previous prime is 1255323301. The next prime is 1255323337. The reversal of 1255323315 is 5133235521.

It is not a de Polignac number, because 1255323315 - 2⁵ = 1255323283 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519460 + ... + 521870.

It is an arithmetic number, because the mean of its divisors is an integer number (63589968).

Almost surely, 2^1255323315 is an apocalyptic number.

1255323315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255323315 is a deficient number, since it is larger than the sum of its proper divisors (779555661).

1255323315 is a wasteful number, since it uses less digits than its factorization.

1255323315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its digits is 13500, while the sum is 30.

The square root of 1255323315 is about 35430.5421211700. The cubic root of 1255323315 is about 1078.7443440108.

Adding to 1255323315 its reverse (5133235521), we get a palindrome (6388558836).

The spelling of 1255323315 in words is "one billion, two hundred fifty-five million, three hundred twenty-three thousand, three hundred fifteen".