100252225 has 6 divisors (see below), whose sum is σ = 124312790. Its totient is φ = 80201760.

The previous prime is 100252199. The next prime is 100252241. The reversal of 100252225 is 522252001.

It can be written as a sum of positive squares in 3 ways, for example, as 26584336 + 73667889 = 5156^2 + 8583^2 .

It is not a de Polignac number, because 100252225 - 2²¹ = 98155073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2005020 + ... + 2005069.

Almost surely, 2^100252225 is an apocalyptic number.

It is an amenable number.

100252225 is a deficient number, since it is larger than the sum of its proper divisors (24060565).

100252225 is an equidigital number, since it uses as much as digits as its factorization.

100252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010099 (or 4010094 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 100252225 is about 10012.6033078316. The cubic root of 100252225 is about 464.5487973058.

The spelling of 100252225 in words is "one hundred million, two hundred fifty-two thousand, two hundred twenty-five".