100538433 has 6 divisors (see below), whose sum is σ = 145222194. Its totient is φ = 67025616.

The previous prime is 100538423. The next prime is 100538453. The reversal of 100538433 is 334835001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 23590449 = 8772^2 + 4857^2 .

It is not a de Polignac number, because 100538433 - 2⁶ = 100538369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100538397 and 100538406.

It is not an unprimeable number, because it can be changed into a prime (100538413) 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 5 ways as a sum of consecutive naturals, for example, 5585460 + ... + 5585477.

It is an arithmetic number, because the mean of its divisors is an integer number (24203699).

Almost surely, 2^100538433 is an apocalyptic number.

It is an amenable number.

100538433 is a deficient number, since it is larger than the sum of its proper divisors (44683761).

100538433 is a wasteful number, since it uses less digits than its factorization.

100538433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170943 (or 11170940 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 100538433 is about 10026.8855084717. The cubic root of 100538433 is about 464.9904541918.

The spelling of 100538433 in words is "one hundred million, five hundred thirty-eight thousand, four hundred thirty-three".