1255264315 has 4 divisors (see below), whose sum is σ = 1506317184. Its totient is φ = 1004211448.

The previous prime is 1255264313. The next prime is 1255264327. The reversal of 1255264315 is 5134625521.

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 1255264315 - 2¹ = 1255264313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255264313) 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, 125526427 + ... + 125526436.

It is an arithmetic number, because the mean of its divisors is an integer number (376579296).

Almost surely, 2^1255264315 is an apocalyptic number.

1255264315 is a deficient number, since it is larger than the sum of its proper divisors (251052869).

1255264315 is an equidigital number, since it uses as much as digits as its factorization.

1255264315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251052868.

The product of its digits is 36000, while the sum is 34.

The square root of 1255264315 is about 35429.7094964099. The cubic root of 1255264315 is about 1078.7274434741.

Adding to 1255264315 its reverse (5134625521), we get a palindrome (6389889836).

It can be divided in two parts, 12552 and 64315, that added together give a palindrome (76867).

The spelling of 1255264315 in words is "one billion, two hundred fifty-five million, two hundred sixty-four thousand, three hundred fifteen".