403340241 has 4 divisors (see below), whose sum is σ = 537786992. Its totient is φ = 268893492.

The previous prime is 403340233. The next prime is 403340261. The reversal of 403340241 is 142043304.

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 not a de Polignac number, because 403340241 - 2³ = 403340233 is a prime.

It is a super-3 number, since 3×403340241³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403340261) 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, 67223371 + ... + 67223376.

It is an arithmetic number, because the mean of its divisors is an integer number (134446748).

Almost surely, 2^403340241 is an apocalyptic number.

It is an amenable number.

403340241 is a deficient number, since it is larger than the sum of its proper divisors (134446751).

403340241 is a wasteful number, since it uses less digits than its factorization.

403340241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134446750.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 403340241 is about 20083.3324177040. The cubic root of 403340241 is about 738.8515427543.

Adding to 403340241 its reverse (142043304), we get a palindrome (545383545).

The spelling of 403340241 in words is "four hundred three million, three hundred forty thousand, two hundred forty-one".