100528255 has 4 divisors (see below), whose sum is σ = 120633912. Its totient is φ = 80422600.

The previous prime is 100528243. The next prime is 100528277. The reversal of 100528255 is 552825001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552825001 = 109 ⋅5071789.

It is not a de Polignac number, because 100528255 - 2⁹ = 100527743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10052821 + ... + 10052830.

It is an arithmetic number, because the mean of its divisors is an integer number (30158478).

Almost surely, 2^100528255 is an apocalyptic number.

100528255 is a deficient number, since it is larger than the sum of its proper divisors (20105657).

100528255 is an equidigital number, since it uses as much as digits as its factorization.

100528255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20105656.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 100528255 is about 10026.3779601609. The cubic root of 100528255 is about 464.9747625722.

The spelling of 100528255 in words is "one hundred million, five hundred twenty-eight thousand, two hundred fifty-five".