100256025 has 12 divisors (see below), whose sum is σ = 165756752. Its totient is φ = 53469840.

The previous prime is 100255979. The next prime is 100256041. The reversal of 100256025 is 520652001.

It is not a de Polignac number, because 100256025 - 2⁸ = 100255769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100255992 and 100256010.

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, 668299 + ... + 668448.

Almost surely, 2^100256025 is an apocalyptic number.

100256025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100256025 is a deficient number, since it is larger than the sum of its proper divisors (65500727).

100256025 is a wasteful number, since it uses less digits than its factorization.

100256025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336760 (or 1336755 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100256025 is about 10012.7930668720. The cubic root of 100256025 is about 464.5546667121.

The spelling of 100256025 in words is "one hundred million, two hundred fifty-six thousand, twenty-five".