403212041 has 4 divisors (see below), whose sum is σ = 403455300. Its totient is φ = 402968784.

The previous prime is 403212031. The next prime is 403212067. The reversal of 403212041 is 140212304.

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 184172041 + 219040000 = 13571^2 + 14800^2 .

It is a cyclic number.

It is not a de Polignac number, because 403212041 - 2²² = 399017737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403212031) 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, 119126 + ... + 122463.

It is an arithmetic number, because the mean of its divisors is an integer number (100863825).

Almost surely, 2^403212041 is an apocalyptic number.

It is an amenable number.

403212041 is a deficient number, since it is larger than the sum of its proper divisors (243259).

403212041 is a wasteful number, since it uses less digits than its factorization.

403212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243258.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 403212041 is about 20080.1404626561. The cubic root of 403212041 is about 738.7732541736.

Adding to 403212041 its reverse (140212304), we get a palindrome (543424345).

The spelling of 403212041 in words is "four hundred three million, two hundred twelve thousand, forty-one".