534521643 has 8 divisors (see below), whose sum is σ = 713038800. Its totient is φ = 356176128.

The previous prime is 534521641. The next prime is 534521653. The reversal of 534521643 is 346125435.

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

It is not a de Polignac number, because 534521643 - 2¹ = 534521641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (534521641) 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, 35458 + ... + 48231.

It is an arithmetic number, because the mean of its divisors is an integer number (89129850).

Almost surely, 2^534521643 is an apocalyptic number.

534521643 is a deficient number, since it is larger than the sum of its proper divisors (178517157).

534521643 is a wasteful number, since it uses less digits than its factorization.

534521643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85821.

The product of its digits is 43200, while the sum is 33.

The square root of 534521643 is about 23119.7241116757. The cubic root of 534521643 is about 811.5621142609.

The spelling of 534521643 in words is "five hundred thirty-four million, five hundred twenty-one thousand, six hundred forty-three".