535540653 has 24 divisors (see below), whose sum is σ = 809608800. Its totient is φ = 353734128.

The previous prime is 535540639. The next prime is 535540661. The reversal of 535540653 is 356045535.

535540653 is a `hidden beast` number, since 53 + 5 + 540 + 65 + 3 = 666.

It is not a de Polignac number, because 535540653 - 2¹⁸ = 535278509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535540633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16378 + ... + 36596.

It is an arithmetic number, because the mean of its divisors is an integer number (33733700).

Almost surely, 2^535540653 is an apocalyptic number.

It is an amenable number.

535540653 is a deficient number, since it is larger than the sum of its proper divisors (274068147).

535540653 is a wasteful number, since it uses less digits than its factorization.

535540653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20343 (or 20331 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The square root of 535540653 is about 23141.7512950079. The cubic root of 535540653 is about 812.0775065145.

The spelling of 535540653 in words is "five hundred thirty-five million, five hundred forty thousand, six hundred fifty-three".