1056493 has 2 divisors, whose sum is σ = 1056494. Its totient is φ = 1056492.

The previous prime is 1056481. The next prime is 1056509. The reversal of 1056493 is 3946501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054729 + 1764 = 1027^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056493 - 2⁹ = 1055981 is a prime.

It is a super-2 number, since 2×1056493² = 2232354918098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528246 + 528247.

It is an arithmetic number, because the mean of its divisors is an integer number (528247).

2^1056493 is an apocalyptic number.

It is an amenable number.

1056493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056493 is an equidigital number, since it uses as much as digits as its factorization.

1056493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1056493 is about 1027.8584532901. The cubic root of 1056493 is about 101.8487120248.

The spelling of 1056493 in words is "one million, fifty-six thousand, four hundred ninety-three".