1263522063 has 8 divisors (see below), whose sum is σ = 1684869376. Its totient is φ = 842261400.

The previous prime is 1263522037. The next prime is 1263522079. The reversal of 1263522063 is 3602253621.

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

It is not a de Polignac number, because 1263522063 - 2⁶ = 1263521999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1263522063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263522563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29898 + ... + 58488.

It is an arithmetic number, because the mean of its divisors is an integer number (210608672).

Almost surely, 2^1263522063 is an apocalyptic number.

1263522063 is a deficient number, since it is larger than the sum of its proper divisors (421347313).

1263522063 is a wasteful number, since it uses less digits than its factorization.

1263522063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43325.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1263522063 is about 35546.0555195650. The cubic root of 1263522063 is about 1081.0877423978.

Adding to 1263522063 its reverse (3602253621), we get a palindrome (4865775684).

The spelling of 1263522063 in words is "one billion, two hundred sixty-three million, five hundred twenty-two thousand, sixty-three".