1037543 has 4 divisors (see below), whose sum is σ = 1117368. Its totient is φ = 957720.

The previous prime is 1037537. The next prime is 1037557. The reversal of 1037543 is 3457301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1037543 - 2⁶ = 1037479 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1037503) 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, 39893 + ... + 39918.

It is an arithmetic number, because the mean of its divisors is an integer number (279342).

2^1037543 is an apocalyptic number.

1037543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1037543 is a deficient number, since it is larger than the sum of its proper divisors (79825).

1037543 is an equidigital number, since it uses as much as digits as its factorization.

1037543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79824.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1037543 is about 1018.5985470243. The cubic root of 1037543 is about 101.2360911647.

Subtracting from 1037543 its sum of digits (23), we obtain a triangular number (1037520 = T₁₄₄₀).

The spelling of 1037543 in words is "one million, thirty-seven thousand, five hundred forty-three".