403432241 has 4 divisors (see below), whose sum is σ = 403629300. Its totient is φ = 403235184.

The previous prime is 403432229. The next prime is 403432247. The reversal of 403432241 is 142234304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29203216 + 374229025 = 5404^2 + 19345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403432241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403432247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95426 + ... + 99563.

It is an arithmetic number, because the mean of its divisors is an integer number (100907325).

Almost surely, 2^403432241 is an apocalyptic number.

It is an amenable number.

403432241 is a deficient number, since it is larger than the sum of its proper divisors (197059).

403432241 is a wasteful number, since it uses less digits than its factorization.

403432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197058.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 403432241 is about 20085.6227436443. The cubic root of 403432241 is about 738.9077146637.

Adding to 403432241 its reverse (142234304), we get a palindrome (545666545).

The spelling of 403432241 in words is "four hundred three million, four hundred thirty-two thousand, two hundred forty-one".