535640653 has 4 divisors (see below), whose sum is σ = 535702428. Its totient is φ = 535578880.

The previous prime is 535640627. The next prime is 535640669. The reversal of 535640653 is 356046535.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 393506569 + 142134084 = 19837^2 + 11922^2 .

It is a cyclic number.

It is not a de Polignac number, because 535640653 - 2²¹ = 533543501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535640683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15238 + ... + 36103.

It is an arithmetic number, because the mean of its divisors is an integer number (133925607).

Almost surely, 2^535640653 is an apocalyptic number.

It is an amenable number.

535640653 is a deficient number, since it is larger than the sum of its proper divisors (61775).

535640653 is a wasteful number, since it uses less digits than its factorization.

535640653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61774.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 535640653 is about 23143.9117912249. The cubic root of 535640653 is about 812.1280490184.

The spelling of 535640653 in words is "five hundred thirty-five million, six hundred forty thousand, six hundred fifty-three".