401316535 has 32 divisors (see below), whose sum is σ = 536481792. Its totient is φ = 286640640.

The previous prime is 401316521. The next prime is 401316563. The reversal of 401316535 is 535613104.

It is not a de Polignac number, because 401316535 - 2¹⁵ = 401283767 is a prime.

It is a super-2 number, since 2×401316535² = 322109922528812450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255322 + ... + 256888.

It is an arithmetic number, because the mean of its divisors is an integer number (16765056).

Almost surely, 2^401316535 is an apocalyptic number.

401316535 is a deficient number, since it is larger than the sum of its proper divisors (135165257).

401316535 is a wasteful number, since it uses less digits than its factorization.

401316535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 401316535 is about 20032.8863372206. The cubic root of 401316535 is about 737.6137738865.

Adding to 401316535 its reverse (535613104), we get a palindrome (936929639).

The spelling of 401316535 in words is "four hundred one million, three hundred sixteen thousand, five hundred thirty-five".