401302241 has 4 divisors (see below), whose sum is σ = 401534484. Its totient is φ = 401070000.

The previous prime is 401302201. The next prime is 401302267. The reversal of 401302241 is 142203104.

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 72931600 + 328370641 = 8540^2 + 18121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401302241 is a prime.

It is a super-2 number, since 2×401302241² = 322086977263244162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401302201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113510 + ... + 116991.

It is an arithmetic number, because the mean of its divisors is an integer number (100383621).

Almost surely, 2^401302241 is an apocalyptic number.

It is an amenable number.

401302241 is a deficient number, since it is larger than the sum of its proper divisors (232243).

401302241 is a wasteful number, since it uses less digits than its factorization.

401302241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232242.

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

The square root of 401302241 is about 20032.5295706758. The cubic root of 401302241 is about 737.6050163966.

Adding to 401302241 its reverse (142203104), we get a palindrome (543505345).

The spelling of 401302241 in words is "four hundred one million, three hundred two thousand, two hundred forty-one".