100533000 has 256 divisors, whose sum is σ = 345047040. Its totient is φ = 24288000.

The previous prime is 100532903. The next prime is 100533007. The reversal of 100533000 is 335001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100533007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2138977 + ... + 2139023.

It is an arithmetic number, because the mean of its divisors is an integer number (1347840).

Almost surely, 2^100533000 is an apocalyptic number.

100533000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100533000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172523520).

100533000 is an abundant number, since it is smaller than the sum of its proper divisors (244514040).

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

100533000 is a wasteful number, since it uses less digits than its factorization.

100533000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 100533000 is about 10026.6145831981. The cubic root of 100533000 is about 464.9820781623.

Adding to 100533000 its reverse (335001), we get a palindrome (100868001).

The spelling of 100533000 in words is "one hundred million, five hundred thirty-three thousand".