100133573 has 2 divisors, whose sum is σ = 100133574. Its totient is φ = 100133572.

The previous prime is 100133569. The next prime is 100133597. The reversal of 100133573 is 375331001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94926049 + 5207524 = 9743^2 + 2282^2 .

It is a cyclic number.

It is not a de Polignac number, because 100133573 - 2² = 100133569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100133533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50066786 + 50066787.

It is an arithmetic number, because the mean of its divisors is an integer number (50066787).

Almost surely, 2^100133573 is an apocalyptic number.

It is an amenable number.

100133573 is a deficient number, since it is larger than the sum of its proper divisors (1).

100133573 is an equidigital number, since it uses as much as digits as its factorization.

100133573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 100133573 is about 10006.6764212700. The cubic root of 100133573 is about 464.3654550623.

Adding to 100133573 its reverse (375331001), we get a palindrome (475464574).

The spelling of 100133573 in words is "one hundred million, one hundred thirty-three thousand, five hundred seventy-three".