403541 has 8 divisors (see below), whose sum is σ = 432480. Its totient is φ = 375408.

The previous prime is 403537. The next prime is 403547. The reversal of 403541 is 145304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403541 - 2² = 403537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (54060).

2⁴⁰³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

403541 is a deficient number, since it is larger than the sum of its proper divisors (28939).

403541 is a wasteful number, since it uses less digits than its factorization.

403541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 403541 is about 635.2487701680. The cubic root of 403541 is about 73.8974108005.

Adding to 403541 its reverse (145304), we get a palindrome (548845).

The spelling of 403541 in words is "four hundred three thousand, five hundred forty-one".