403243541 has 8 divisors (see below), whose sum is σ = 405801984. Its totient is φ = 400692240.

The previous prime is 403243513. The next prime is 403243573. The reversal of 403243541 is 145342304.

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 403243541 - 2²² = 399049237 is a prime.

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 403243541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403243591) 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, 149636 + ... + 152306.

It is an arithmetic number, because the mean of its divisors is an integer number (50725248).

Almost surely, 2^403243541 is an apocalyptic number.

It is an amenable number.

403243541 is a deficient number, since it is larger than the sum of its proper divisors (2558443).

403243541 is a wasteful number, since it uses less digits than its factorization.

403243541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 403243541 is about 20080.9248044008. The cubic root of 403243541 is about 738.7924919849.

Adding to 403243541 its reverse (145342304), we get a palindrome (548585845).

The spelling of 403243541 in words is "four hundred three million, two hundred forty-three thousand, five hundred forty-one".