100225025 has 6 divisors (see below), whose sum is σ = 124279062. Its totient is φ = 80180000.

The previous prime is 100224997. The next prime is 100225031. The reversal of 100225025 is 520522001.

It can be written as a sum of positive squares in 3 ways, for example, as 44944 + 100180081 = 212^2 + 10009^2 .

It is not a de Polignac number, because 100225025 - 2²² = 96030721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100224994 and 100225012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004476 + ... + 2004525.

It is an arithmetic number, because the mean of its divisors is an integer number (20713177).

Almost surely, 2^100225025 is an apocalyptic number.

It is an amenable number.

100225025 is a deficient number, since it is larger than the sum of its proper divisors (24054037).

100225025 is an equidigital number, since it uses as much as digits as its factorization.

100225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009011 (or 4009006 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 100225025 is about 10011.2449275802. The cubic root of 100225025 is about 464.5067803823.

Adding to 100225025 its reverse (520522001), we get a palindrome (620747026).

The spelling of 100225025 in words is "one hundred million, two hundred twenty-five thousand, twenty-five".