103793521 has 8 divisors (see below), whose sum is σ = 111860840. Its totient is φ = 95738112.

The previous prime is 103793507. The next prime is 103793537. The reversal of 103793521 is 125397301.

It can be written as a sum of positive squares in 4 ways, for example, as 10400625 + 93392896 = 3225^2 + 9664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103793521 - 2⁹ = 103793009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103794521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24745 + ... + 28633.

It is an arithmetic number, because the mean of its divisors is an integer number (13982605).

Almost surely, 2^103793521 is an apocalyptic number.

It is an amenable number.

103793521 is a deficient number, since it is larger than the sum of its proper divisors (8067319).

103793521 is a wasteful number, since it uses less digits than its factorization.

103793521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 103793521 is about 10187.9105316056. The cubic root of 103793521 is about 469.9555126143.

The spelling of 103793521 in words is "one hundred three million, seven hundred ninety-three thousand, five hundred twenty-one".