673541 has 4 divisors (see below), whose sum is σ = 734784. Its totient is φ = 612300.

The previous prime is 673529. The next prime is 673549. The reversal of 673541 is 145376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673549) 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, 30605 + ... + 30626.

It is an arithmetic number, because the mean of its divisors is an integer number (183696).

2⁶⁷³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

673541 is a deficient number, since it is larger than the sum of its proper divisors (61243).

673541 is a wasteful number, since it uses less digits than its factorization.

673541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61242.

The product of its digits is 2520, while the sum is 26.

The square root of 673541 is about 820.6954368095. The cubic root of 673541 is about 87.6572844530.

It can be divided in two parts, 6735 and 41, that added together give a palindrome (6776).

The spelling of 673541 in words is "six hundred seventy-three thousand, five hundred forty-one".