100348225 has 6 divisors (see below), whose sum is σ = 124431830. Its totient is φ = 80278560.

The previous prime is 100348223. The next prime is 100348267. The reversal of 100348225 is 522843001.

It can be written as a sum of positive squares in 3 ways, for example, as 2259009 + 98089216 = 1503^2 + 9904^2 .

It is not a de Polignac number, because 100348225 - 2¹ = 100348223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4013929 = 100348225 / (1 + 0 + 0 + 3 + 4 + 8 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 100348225.

It is not an unprimeable number, because it can be changed into a prime (100348223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2006940 + ... + 2006989.

Almost surely, 2^100348225 is an apocalyptic number.

It is an amenable number.

100348225 is a deficient number, since it is larger than the sum of its proper divisors (24083605).

100348225 is an equidigital number, since it uses as much as digits as its factorization.

100348225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013939 (or 4013934 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 100348225 is about 10017.3961187526. The cubic root of 100348225 is about 464.6970316121.

The spelling of 100348225 in words is "one hundred million, three hundred forty-eight thousand, two hundred twenty-five".