1056523629 has 36 divisors (see below), whose sum is σ = 1659759008. Its totient is φ = 585598080.

The previous prime is 1056523627. The next prime is 1056523649. The reversal of 1056523629 is 9263256501.

It is not a de Polignac number, because 1056523629 - 2¹ = 1056523627 is a prime.

It is a super-2 number, since 2×1056523629² = 2232484357270659282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056523627) 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 35 ways as a sum of consecutive naturals, for example, 6106987 + ... + 6107159.

Almost surely, 2^1056523629 is an apocalyptic number.

It is an amenable number.

1056523629 is a deficient number, since it is larger than the sum of its proper divisors (603235379).

1056523629 is an frugal number, since it uses more digits than its factorization.

1056523629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 1056523629 is about 32504.2094043218. The cubic root of 1056523629 is about 1018.4969625412.

The spelling of 1056523629 in words is "one billion, fifty-six million, five hundred twenty-three thousand, six hundred twenty-nine".