703543 has 4 divisors (see below), whose sum is σ = 718560. Its totient is φ = 688528.

The previous prime is 703537. The next prime is 703559. The reversal of 703543 is 345307.

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 703543 - 2¹⁷ = 572471 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 (703243) 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, 7438 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (179640).

2⁷⁰³⁵⁴³ is an apocalyptic number.

703543 is a deficient number, since it is larger than the sum of its proper divisors (15017).

703543 is a wasteful number, since it uses less digits than its factorization.

703543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 703543 is about 838.7747015737. The cubic root of 703543 is about 88.9399502345.

The spelling of 703543 in words is "seven hundred three thousand, five hundred forty-three".