407543 has 4 divisors (see below), whose sum is σ = 410880. Its totient is φ = 404208.

The previous prime is 407527. The next prime is 407567. The reversal of 407543 is 345704.

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 407543 - 2⁴ = 407527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407503) 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, 1478 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (102720).

2⁴⁰⁷⁵⁴³ is an apocalyptic number.

407543 is a deficient number, since it is larger than the sum of its proper divisors (3337).

407543 is a wasteful number, since it uses less digits than its factorization.

407543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 407543 is about 638.3909460511. The cubic root of 407543 is about 74.1408930069.

The spelling of 407543 in words is "four hundred seven thousand, five hundred forty-three".