535665313 has 8 divisors (see below), whose sum is σ = 547816968. Its totient is φ = 523643904.

The previous prime is 535665311. The next prime is 535665343. The reversal of 535665313 is 313566535.

It can be written as a sum of positive squares in 4 ways, for example, as 52896529 + 482768784 = 7273^2 + 21972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 535665313 - 2¹ = 535665311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535665311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24220 + ... + 40717.

It is an arithmetic number, because the mean of its divisors is an integer number (68477121).

Almost surely, 2^535665313 is an apocalyptic number.

It is an amenable number.

535665313 is a deficient number, since it is larger than the sum of its proper divisors (12151655).

535665313 is a wasteful number, since it uses less digits than its factorization.

535665313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65123.

The product of its digits is 121500, while the sum is 37.

The square root of 535665313 is about 23144.4445385928. Note that the first 3 decimals coincide. The cubic root of 535665313 is about 812.1405118329.

The spelling of 535665313 in words is "five hundred thirty-five million, six hundred sixty-five thousand, three hundred thirteen".