535660043 has 4 divisors (see below), whose sum is σ = 535799040. Its totient is φ = 535521048.

The previous prime is 535660031. The next prime is 535660051. The reversal of 535660043 is 340066535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535660043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 535659991 and 535660009.

It is not an unprimeable number, because it can be changed into a prime (535660343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63548 + ... + 71481.

It is an arithmetic number, because the mean of its divisors is an integer number (133949760).

Almost surely, 2^535660043 is an apocalyptic number.

535660043 is a deficient number, since it is larger than the sum of its proper divisors (138997).

535660043 is a wasteful number, since it uses less digits than its factorization.

535660043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138996.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 535660043 is about 23144.3306880972. The cubic root of 535660043 is about 812.1378484817.

The spelling of 535660043 in words is "five hundred thirty-five million, six hundred sixty thousand, forty-three".