535609021 has 8 divisors (see below), whose sum is σ = 576728640. Its totient is φ = 495557568.

The previous prime is 535609013. The next prime is 535609051. The reversal of 535609021 is 120906535.

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 535609021 - 2³ = 535609013 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 (535609051) 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, 266001 + ... + 268006.

It is an arithmetic number, because the mean of its divisors is an integer number (72091080).

Almost surely, 2^535609021 is an apocalyptic number.

It is an amenable number.

535609021 is a deficient number, since it is larger than the sum of its proper divisors (41119619).

535609021 is a wasteful number, since it uses less digits than its factorization.

535609021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534083.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 535609021 is about 23143.2284048704. The cubic root of 535609021 is about 812.1120620938.

The spelling of 535609021 in words is "five hundred thirty-five million, six hundred nine thousand, twenty-one".