401334013 has 4 divisors (see below), whose sum is σ = 401401728. Its totient is φ = 401266300.

The previous prime is 401334001. The next prime is 401334047. The reversal of 401334013 is 310433104.

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 401334013 - 2²¹ = 399236861 is a prime.

It is a super-2 number, since 2×401334013² = 322137979981368338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401334053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24013 + ... + 37138.

It is an arithmetic number, because the mean of its divisors is an integer number (100350432).

Almost surely, 2^401334013 is an apocalyptic number.

It is an amenable number.

401334013 is a deficient number, since it is larger than the sum of its proper divisors (67715).

401334013 is an equidigital number, since it uses as much as digits as its factorization.

401334013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67714.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 401334013 is about 20033.3225651663. The cubic root of 401334013 is about 737.6244818317.

Adding to 401334013 its reverse (310433104), we get a palindrome (711767117).

Subtracting from 401334013 its reverse (310433104), we obtain a palindrome (90900909).

The spelling of 401334013 in words is "four hundred one million, three hundred thirty-four thousand, thirteen".