535338661 has 16 divisors (see below), whose sum is σ = 662034240. Its totient is φ = 425589120.

The previous prime is 535338647. The next prime is 535338679. The reversal of 535338661 is 166833535.

It is not a de Polignac number, because 535338661 - 2⁹ = 535338149 is a prime.

It is a super-2 number, since 2×535338661² = 573174963922545842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535338631) 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, 95800 + ... + 101233.

It is an arithmetic number, because the mean of its divisors is an integer number (41377140).

Almost surely, 2^535338661 is an apocalyptic number.

It is an amenable number.

535338661 is a deficient number, since it is larger than the sum of its proper divisors (126695579).

535338661 is a wasteful number, since it uses less digits than its factorization.

535338661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197076.

The product of its digits is 194400, while the sum is 40.

The square root of 535338661 is about 23137.3866501816. The cubic root of 535338661 is about 811.9753955069.

The spelling of 535338661 in words is "five hundred thirty-five million, three hundred thirty-eight thousand, six hundred sixty-one".