818350533 has 80 divisors (see below), whose sum is σ = 1641526656. Its totient is φ = 392376960.

The previous prime is 818350531. The next prime is 818350541. The reversal of 818350533 is 335053818.

It is not a de Polignac number, because 818350533 - 2¹ = 818350531 is a prime.

It is a super-2 number, since 2×818350533² = 1339395189722768178, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818350531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 76035 + ... + 86127.

Almost surely, 2^818350533 is an apocalyptic number.

It is an amenable number.

818350533 is an abundant number, since it is smaller than the sum of its proper divisors (823176123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818350533 is a wasteful number, since it uses less digits than its factorization.

818350533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 818350533 is about 28606.8266852512. The cubic root of 818350533 is about 935.3621455493.

The spelling of 818350533 in words is "eight hundred eighteen million, three hundred fifty thousand, five hundred thirty-three".