100025255 has 12 divisors (see below), whose sum is σ = 131934936. Its totient is φ = 72745200.

The previous prime is 100025243. The next prime is 100025273. The reversal of 100025255 is 552520001.

It is not a de Polignac number, because 100025255 - 2⁴ = 100025239 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 11 ways as a sum of consecutive naturals, for example, 82061 + ... + 83270.

It is an arithmetic number, because the mean of its divisors is an integer number (10994578).

Almost surely, 2^100025255 is an apocalyptic number.

100025255 is a deficient number, since it is larger than the sum of its proper divisors (31909681).

100025255 is a wasteful number, since it uses less digits than its factorization.

100025255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165358 (or 165347 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100025255 is about 10001.2626702832. The cubic root of 100025255 is about 464.1979545143.

Adding to 100025255 its reverse (552520001), we get a palindrome (652545256).

The spelling of 100025255 in words is "one hundred million, twenty-five thousand, two hundred fifty-five".