1457543 has 4 divisors (see below), whose sum is σ = 1468320. Its totient is φ = 1446768.

The previous prime is 1457513. The next prime is 1457551. The reversal of 1457543 is 3457541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3457541 = 61 ⋅56681.

It is a cyclic number.

It is not a de Polignac number, because 1457543 - 2⁶ = 1457479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457503) 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, 5183 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (367080).

2^1457543 is an apocalyptic number.

1457543 is a deficient number, since it is larger than the sum of its proper divisors (10777).

1457543 is a wasteful number, since it uses less digits than its factorization.

1457543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776.

The product of its digits is 8400, while the sum is 29.

The square root of 1457543 is about 1207.2874554140. The cubic root of 1457543 is about 113.3810458467.

The spelling of 1457543 in words is "one million, four hundred fifty-seven thousand, five hundred forty-three".