100528993 has 8 divisors (see below), whose sum is σ = 104460480. Its totient is φ = 96628560.

The previous prime is 100528991. The next prime is 100528999. The reversal of 100528993 is 399825001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100528993 - 2¹ = 100528991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100528991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 14218.

It is an arithmetic number, because the mean of its divisors is an integer number (13057560).

Almost surely, 2^100528993 is an apocalyptic number.

It is an amenable number.

100528993 is a deficient number, since it is larger than the sum of its proper divisors (3931487).

100528993 is a wasteful number, since it uses less digits than its factorization.

100528993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 100528993 is about 10026.4147630147. The cubic root of 100528993 is about 464.9759003967.

The spelling of 100528993 in words is "one hundred million, five hundred twenty-eight thousand, nine hundred ninety-three".