100256925 has 24 divisors (see below), whose sum is σ = 167866240. Its totient is φ = 52790400.

The previous prime is 100256909. The next prime is 100256929. The reversal of 100256925 is 529652001.

It is a happy number.

It is not a de Polignac number, because 100256925 - 2⁴ = 100256909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100256892 and 100256901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100256929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2536 + ... + 14385.

Almost surely, 2^100256925 is an apocalyptic number.

100256925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100256925 is a deficient number, since it is larger than the sum of its proper divisors (67609315).

100256925 is a wasteful number, since it uses less digits than its factorization.

100256925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013 (or 17008 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 100256925 is about 10012.8380092759. The cubic root of 100256925 is about 464.5560568130.

The spelling of 100256925 in words is "one hundred million, two hundred fifty-six thousand, nine hundred twenty-five".