401613015 has 16 divisors (see below), whose sum is σ = 680380128. Its totient is φ = 201593856.

The previous prime is 401612993. The next prime is 401613019. The reversal of 401613015 is 510316104.

It is not a de Polignac number, because 401613015 - 2⁵ = 401612983 is a prime.

It is a super-2 number, since 2×401613015² = 322586027634780450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401612982 and 401613000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401613019) 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, 787222 + ... + 787731.

It is an arithmetic number, because the mean of its divisors is an integer number (42523758).

Almost surely, 2^401613015 is an apocalyptic number.

401613015 is a deficient number, since it is larger than the sum of its proper divisors (278767113).

401613015 is a wasteful number, since it uses less digits than its factorization.

401613015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574978.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 401613015 is about 20040.2848033654. The cubic root of 401613015 is about 737.7953711059.

Adding to 401613015 its reverse (510316104), we get a palindrome (911929119).

The spelling of 401613015 in words is "four hundred one million, six hundred thirteen thousand, fifteen".