401024515 has 4 divisors (see below), whose sum is σ = 481229424. Its totient is φ = 320819608.

The previous prime is 401024513. The next prime is 401024521. The reversal of 401024515 is 515420104.

401024515 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401024515 - 2¹ = 401024513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401024513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40102447 + ... + 40102456.

It is an arithmetic number, because the mean of its divisors is an integer number (120307356).

Almost surely, 2^401024515 is an apocalyptic number.

401024515 is a deficient number, since it is larger than the sum of its proper divisors (80204909).

401024515 is an equidigital number, since it uses as much as digits as its factorization.

401024515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80204908.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 401024515 is about 20025.5964954855. The cubic root of 401024515 is about 737.4348210137.

Adding to 401024515 its reverse (515420104), we get a palindrome (916444619).

The spelling of 401024515 in words is "four hundred one million, twenty-four thousand, five hundred fifteen".