104491225 has 6 divisors (see below), whose sum is σ = 129569150. Its totient is φ = 83592960.

The previous prime is 104491223. The next prime is 104491237. The reversal of 104491225 is 522194401.

It can be written as a sum of positive squares in 3 ways, for example, as 26998416 + 77492809 = 5196^2 + 8803^2 .

It is not a de Polignac number, because 104491225 - 2¹ = 104491223 is a prime.

It is a super-2 number, since 2×104491225² = 21836832204001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104491193 and 104491202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104491223) 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, 2089800 + ... + 2089849.

Almost surely, 2^104491225 is an apocalyptic number.

It is an amenable number.

104491225 is a deficient number, since it is larger than the sum of its proper divisors (25077925).

104491225 is an equidigital number, since it uses as much as digits as its factorization.

104491225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179659 (or 4179654 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 104491225 is about 10222.0949418404. The cubic root of 104491225 is about 471.0061815234.

The spelling of 104491225 in words is "one hundred four million, four hundred ninety-one thousand, two hundred twenty-five".