1255534463 has 8 divisors (see below), whose sum is σ = 1260100800. Its totient is φ = 1250976640.

The previous prime is 1255534457. The next prime is 1255534529. The reversal of 1255534463 is 3644355521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255534463 - 2⁴ = 1255534447 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 (1255534403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450731 + ... + 453507.

It is an arithmetic number, because the mean of its divisors is an integer number (157512600).

Almost surely, 2^1255534463 is an apocalyptic number.

1255534463 is a deficient number, since it is larger than the sum of its proper divisors (4566337).

1255534463 is a wasteful number, since it uses less digits than its factorization.

1255534463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its digits is 216000, while the sum is 38.

The square root of 1255534463 is about 35433.5217414245. The cubic root of 1255534463 is about 1078.8048229696.

Adding to 1255534463 its reverse (3644355521), we get a palindrome (4899889984).

The spelling of 1255534463 in words is "one billion, two hundred fifty-five million, five hundred thirty-four thousand, four hundred sixty-three".