1056521324 has 6 divisors (see below), whose sum is σ = 1848912324. Its totient is φ = 528260660.

The previous prime is 1056521311. The next prime is 1056521327. The reversal of 1056521324 is 4231256501.

It is a super-2 number, since 2×1056521324² = 2232474616133425952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056521327) 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 as a sum of consecutive naturals, namely, 132065162 + ... + 132065169.

It is an arithmetic number, because the mean of its divisors is an integer number (308152054).

Almost surely, 2^1056521324 is an apocalyptic number.

It is an amenable number.

1056521324 is a deficient number, since it is larger than the sum of its proper divisors (792391000).

1056521324 is a wasteful number, since it uses less digits than its factorization.

1056521324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264130335 (or 264130333 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1056521324 is about 32504.1739473564. The cubic root of 1056521324 is about 1018.4962218613.

Adding to 1056521324 its reverse (4231256501), we get a palindrome (5287777825).

The spelling of 1056521324 in words is "one billion, fifty-six million, five hundred twenty-one thousand, three hundred twenty-four".