1453043 has 2 divisors, whose sum is σ = 1453044. Its totient is φ = 1453042.

The previous prime is 1453037. The next prime is 1453057. The reversal of 1453043 is 3403541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1453043 - 2¹² = 1448947 is a prime.

It is a super-2 number, since 2×1453043² = 4222667919698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726521 + 726522.

It is an arithmetic number, because the mean of its divisors is an integer number (726522).

2^1453043 is an apocalyptic number.

1453043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453043 is an equidigital number, since it uses as much as digits as its factorization.

1453043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1453043 is about 1205.4223326287. The cubic root of 1453043 is about 113.2642418175.

Adding to 1453043 its reverse (3403541), we get a palindrome (4856584).

The spelling of 1453043 in words is "one million, four hundred fifty-three thousand, forty-three".