100528913 has 4 divisors (see below), whose sum is σ = 100581348. Its totient is φ = 100476480.

The previous prime is 100528907. The next prime is 100528921. The reversal of 100528913 is 319825001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 19114384 = 9023^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 100528913 - 2⁶ = 100528849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100528933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23228 + ... + 27213.

It is an arithmetic number, because the mean of its divisors is an integer number (25145337).

Almost surely, 2^100528913 is an apocalyptic number.

It is an amenable number.

100528913 is a deficient number, since it is larger than the sum of its proper divisors (52435).

100528913 is an equidigital number, since it uses as much as digits as its factorization.

100528913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52434.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 100528913 is about 10026.4107735520. The cubic root of 100528913 is about 464.9757770555.

The spelling of 100528913 in words is "one hundred million, five hundred twenty-eight thousand, nine hundred thirteen".