401315535 has 12 divisors (see below), whose sum is σ = 695613672. Its totient is φ = 214034928.

The previous prime is 401315533. The next prime is 401315573. The reversal of 401315535 is 535513104.

It is not a de Polignac number, because 401315535 - 2¹ = 401315533 is a prime.

It is a super-2 number, since 2×401315535² = 322108317264672450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401315499 and 401315508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401315533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459017 + ... + 4459106.

It is an arithmetic number, because the mean of its divisors is an integer number (57967806).

Almost surely, 2^401315535 is an apocalyptic number.

401315535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401315535 is a deficient number, since it is larger than the sum of its proper divisors (294298137).

401315535 is a wasteful number, since it uses less digits than its factorization.

401315535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918134 (or 8918131 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 401315535 is about 20032.8613782455. The cubic root of 401315535 is about 737.6131612243.

Adding to 401315535 its reverse (535513104), we get a palindrome (936828639).

The spelling of 401315535 in words is "four hundred one million, three hundred fifteen thousand, five hundred thirty-five".