403244161 has 4 divisors (see below), whose sum is σ = 411823872. Its totient is φ = 394664452.

The previous prime is 403244147. The next prime is 403244207. The reversal of 403244161 is 161442304.

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 403244161 - 2¹³ = 403235969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403244861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289785 + ... + 4289878.

It is an arithmetic number, because the mean of its divisors is an integer number (102955968).

Almost surely, 2^403244161 is an apocalyptic number.

It is an amenable number.

403244161 is a deficient number, since it is larger than the sum of its proper divisors (8579711).

403244161 is an equidigital number, since it uses as much as digits as its factorization.

403244161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579710.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 403244161 is about 20080.9402419309. The cubic root of 403244161 is about 738.7928706238.

Adding to 403244161 its reverse (161442304), we get a palindrome (564686465).

The spelling of 403244161 in words is "four hundred three million, two hundred forty-four thousand, one hundred sixty-one".