403140241 has 4 divisors (see below), whose sum is σ = 460731712. Its totient is φ = 345548772.

The previous prime is 403140217. The next prime is 403140247. The reversal of 403140241 is 142041304.

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 not a de Polignac number, because 403140241 - 2¹⁷ = 403009169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403140247) 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, 28795725 + ... + 28795738.

It is an arithmetic number, because the mean of its divisors is an integer number (115182928).

Almost surely, 2^403140241 is an apocalyptic number.

It is an amenable number.

403140241 is a deficient number, since it is larger than the sum of its proper divisors (57591471).

403140241 is an equidigital number, since it uses as much as digits as its factorization.

403140241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57591470.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 403140241 is about 20078.3525469596. The cubic root of 403140241 is about 738.7294004332.

Adding to 403140241 its reverse (142041304), we get a palindrome (545181545).

The spelling of 403140241 in words is "four hundred three million, one hundred forty thousand, two hundred forty-one".