1056340543 has 8 divisors (see below), whose sum is σ = 1137436560. Its totient is φ = 977351040.

The previous prime is 1056340541. The next prime is 1056340547. The reversal of 1056340543 is 3450436501.

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 1056340543 - 2¹ = 1056340541 is a prime.

It is a super-2 number, since 2×1056340543² = 2231710685571069698, 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 (1056340541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525588 + ... + 527593.

It is an arithmetic number, because the mean of its divisors is an integer number (142179570).

Almost surely, 2^1056340543 is an apocalyptic number.

1056340543 is a deficient number, since it is larger than the sum of its proper divisors (81096017).

1056340543 is a wasteful number, since it uses less digits than its factorization.

1056340543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053257.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1056340543 is about 32501.3929393803. The cubic root of 1056340543 is about 1018.4381270351.

The spelling of 1056340543 in words is "one billion, fifty-six million, three hundred forty thousand, five hundred forty-three".