401001513 has 16 divisors (see below), whose sum is σ = 585130176. Its totient is φ = 242258240.

The previous prime is 401001493. The next prime is 401001521. The reversal of 401001513 is 315100104.

It is a cyclic number.

It is not a de Polignac number, because 401001513 - 2⁹ = 401001001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401001492 and 401001501.

It is not an unprimeable number, because it can be changed into a prime (401001533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8706 + ... + 29627.

It is an arithmetic number, because the mean of its divisors is an integer number (36570636).

Almost surely, 2^401001513 is an apocalyptic number.

It is an amenable number.

401001513 is a deficient number, since it is larger than the sum of its proper divisors (184128663).

401001513 is a wasteful number, since it uses less digits than its factorization.

401001513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38664.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 401001513 is about 20025.0221722724. The cubic root of 401001513 is about 737.4207214600.

Adding to 401001513 its reverse (315100104), we get a palindrome (716101617).

The spelling of 401001513 in words is "four hundred one million, one thousand, five hundred thirteen".