100863725 has 6 divisors (see below), whose sum is σ = 125071050. Its totient is φ = 80690960.

The previous prime is 100863709. The next prime is 100863727. The reversal of 100863725 is 527368001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24790441 + 76073284 = 4979^2 + 8722^2 .

It is not a de Polignac number, because 100863725 - 2⁴ = 100863709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100863691 and 100863700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100863727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2017250 + ... + 2017299.

It is an arithmetic number, because the mean of its divisors is an integer number (20845175).

Almost surely, 2^100863725 is an apocalyptic number.

It is an amenable number.

100863725 is a deficient number, since it is larger than the sum of its proper divisors (24207325).

100863725 is an equidigital number, since it uses as much as digits as its factorization.

100863725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034559 (or 4034554 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 100863725 is about 10043.0933979526. The cubic root of 100863725 is about 465.4914063536.

The spelling of 100863725 in words is "one hundred million, eight hundred sixty-three thousand, seven hundred twenty-five".