401421513 has 8 divisors (see below), whose sum is σ = 535838368. Its totient is φ = 267309504.

The previous prime is 401421479. The next prime is 401421533. The reversal of 401421513 is 315124104.

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

It is not a de Polignac number, because 401421513 - 2¹³ = 401413321 is a prime.

It is a super-2 number, since 2×401421513² = 322278462198418338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401421513.

It is not an unprimeable number, because it can be changed into a prime (401421533) 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 7 ways as a sum of consecutive naturals, for example, 73120 + ... + 78417.

It is an arithmetic number, because the mean of its divisors is an integer number (66979796).

Almost surely, 2^401421513 is an apocalyptic number.

It is an amenable number.

401421513 is a deficient number, since it is larger than the sum of its proper divisors (134416855).

401421513 is a wasteful number, since it uses less digits than its factorization.

401421513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152423.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 401421513 is about 20035.5063075531. The cubic root of 401421513 is about 737.6780842759.

Adding to 401421513 its reverse (315124104), we get a palindrome (716545617).

The spelling of 401421513 in words is "four hundred one million, four hundred twenty-one thousand, five hundred thirteen".