103503725 has 12 divisors (see below), whose sum is σ = 138217716. Its totient is φ = 76433280.

The previous prime is 103503691. The next prime is 103503737. The reversal of 103503725 is 527305301.

It can be written as a sum of positive squares in 6 ways, for example, as 10843849 + 92659876 = 3293^2 + 9626^2 .

It is not a de Polignac number, because 103503725 - 2⁶ = 103503661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103503694 and 103503703.

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, 158912 + ... + 159561.

It is an arithmetic number, because the mean of its divisors is an integer number (11518143).

Almost surely, 2^103503725 is an apocalyptic number.

It is an amenable number.

103503725 is a deficient number, since it is larger than the sum of its proper divisors (34713991).

103503725 is a wasteful number, since it uses less digits than its factorization.

103503725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318496 (or 318491 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 103503725 is about 10173.6780468029. The cubic root of 103503725 is about 469.5177262156.

The spelling of 103503725 in words is "one hundred three million, five hundred three thousand, seven hundred twenty-five".