1056633505 has 8 divisors (see below), whose sum is σ = 1274531112. Its totient is φ = 840926208.

The previous prime is 1056633503. The next prime is 1056633511. The reversal of 1056633505 is 5053366501.

It can be written as a sum of positive squares in 4 ways, for example, as 289952784 + 766680721 = 17028^2 + 27689^2 .

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 1056633505 - 2¹ = 1056633503 is a prime.

It is a super-2 number, since 2×1056633505² = 2232948727777170050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056633503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546514 + ... + 548443.

It is an arithmetic number, because the mean of its divisors is an integer number (159316389).

Almost surely, 2^1056633505 is an apocalyptic number.

It is an amenable number.

1056633505 is a deficient number, since it is larger than the sum of its proper divisors (217897607).

1056633505 is a wasteful number, since it uses less digits than its factorization.

1056633505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095155.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 1056633505 is about 32505.8995414679. The cubic root of 1056633505 is about 1018.5322684223.

The spelling of 1056633505 in words is "one billion, fifty-six million, six hundred thirty-three thousand, five hundred five".