103605725 has 12 divisors (see below), whose sum is σ = 130896756. Its totient is φ = 81319680.

The previous prime is 103605683. The next prime is 103605763. The reversal of 103605725 is 527506301.

It can be written as a sum of positive squares in 6 ways, for example, as 13697401 + 89908324 = 3701^2 + 9482^2 .

It is not a de Polignac number, because 103605725 - 2¹⁴ = 103589341 is a prime.

It is a super-3 number, since 3×103605725³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37772 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (10908063).

Almost surely, 2^103605725 is an apocalyptic number.

It is an amenable number.

103605725 is a deficient number, since it is larger than the sum of its proper divisors (27291031).

103605725 is an equidigital number, since it uses as much as digits as its factorization.

103605725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78256 (or 78251 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 103605725 is about 10178.6897486857. The cubic root of 103605725 is about 469.6719077358.

The spelling of 103605725 in words is "one hundred three million, six hundred five thousand, seven hundred twenty-five".