1255231363 has 4 divisors (see below), whose sum is σ = 1329068520. Its totient is φ = 1181394208.

The previous prime is 1255231357. The next prime is 1255231379. The reversal of 1255231363 is 3631325521.

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 1255231363 - 2¹⁷ = 1255100291 is a prime.

It is a super-3 number, since 3×1255231363³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255231063) 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, 36918553 + ... + 36918586.

It is an arithmetic number, because the mean of its divisors is an integer number (332267130).

Almost surely, 2^1255231363 is an apocalyptic number.

1255231363 is a deficient number, since it is larger than the sum of its proper divisors (73837157).

1255231363 is an equidigital number, since it uses as much as digits as its factorization.

1255231363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73837156.

The product of its digits is 16200, while the sum is 31.

The square root of 1255231363 is about 35429.2444599091. The cubic root of 1255231363 is about 1078.7180041506.

Adding to 1255231363 its reverse (3631325521), we get a palindrome (4886556884).

The spelling of 1255231363 in words is "one billion, two hundred fifty-five million, two hundred thirty-one thousand, three hundred sixty-three".