100255005 has 12 divisors (see below), whose sum is σ = 173775420. Its totient is φ = 53469312.

The previous prime is 100254997. The next prime is 100255013. The reversal of 100255005 is 500552001.

It is an interprime number because it is at equal distance from previous prime (100254997) and next prime (100255013).

It can be written as a sum of positive squares in 2 ways, for example, as 26071236 + 74183769 = 5106^2 + 8613^2 .

It is not a de Polignac number, because 100255005 - 2³ = 100254997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113900 + ... + 1113989.

It is an arithmetic number, because the mean of its divisors is an integer number (14481285).

Almost surely, 2^100255005 is an apocalyptic number.

100255005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100255005 is a deficient number, since it is larger than the sum of its proper divisors (73520415).

100255005 is a wasteful number, since it uses less digits than its factorization.

100255005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227900 (or 2227897 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 100255005 is about 10012.7421319037. The cubic root of 100255005 is about 464.5530912545.

The spelling of 100255005 in words is "one hundred million, two hundred fifty-five thousand, five".