1056452443 has 4 divisors (see below), whose sum is σ = 1056561640. Its totient is φ = 1056343248.

The previous prime is 1056452401. The next prime is 1056452447. The reversal of 1056452443 is 3442546501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3442546501 = 25447 ⋅135283.

It is a cyclic number.

It is not a de Polignac number, because 1056452443 - 2²⁵ = 1022898011 is a prime.

It is a super-2 number, since 2×1056452443² = 2232183528641336498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056452399 and 1056452408.

It is not an unprimeable number, because it can be changed into a prime (1056452447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38505 + ... + 59962.

It is an arithmetic number, because the mean of its divisors is an integer number (264140410).

Almost surely, 2^1056452443 is an apocalyptic number.

1056452443 is a deficient number, since it is larger than the sum of its proper divisors (109197).

1056452443 is an equidigital number, since it uses as much as digits as its factorization.

1056452443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109196.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1056452443 is about 32503.1143584734. The cubic root of 1056452443 is about 1018.4740874089.

Adding to 1056452443 its reverse (3442546501), we get a palindrome (4498998944).

The spelling of 1056452443 in words is "one billion, fifty-six million, four hundred fifty-two thousand, four hundred forty-three".