534521623 has 8 divisors (see below), whose sum is σ = 580805120. Its totient is φ = 490053240.

The previous prime is 534521579. The next prime is 534521641. The reversal of 534521623 is 326125435.

It is a happy number.

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 534521623 - 2¹³ = 534513431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534521653) 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, 453165 + ... + 454342.

It is an arithmetic number, because the mean of its divisors is an integer number (72600640).

Almost surely, 2^534521623 is an apocalyptic number.

534521623 is a deficient number, since it is larger than the sum of its proper divisors (46283497).

534521623 is a wasteful number, since it uses less digits than its factorization.

534521623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907557.

The product of its digits is 21600, while the sum is 31.

The square root of 534521623 is about 23119.7236791446. The cubic root of 534521623 is about 811.5621041390.

The spelling of 534521623 in words is "five hundred thirty-four million, five hundred twenty-one thousand, six hundred twenty-three".