401421313 has 8 divisors (see below), whose sum is σ = 413595648. Its totient is φ = 389398464.

The previous prime is 401421299. The next prime is 401421329. The reversal of 401421313 is 313124104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401421313 - 2⁹ = 401420801 is a prime.

It is a super-2 number, since 2×401421313² = 322278141061287938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401421613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32481 + ... + 43102.

It is an arithmetic number, because the mean of its divisors is an integer number (51699456).

Almost surely, 2^401421313 is an apocalyptic number.

It is an amenable number.

401421313 is a deficient number, since it is larger than the sum of its proper divisors (12174335).

401421313 is a wasteful number, since it uses less digits than its factorization.

401421313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75743.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 401421313 is about 20035.5013164133. The cubic root of 401421313 is about 737.6779617649.

Adding to 401421313 its reverse (313124104), we get a palindrome (714545417).

The spelling of 401421313 in words is "four hundred one million, four hundred twenty-one thousand, three hundred thirteen".