103032521 has 2 divisors, whose sum is σ = 103032522. Its totient is φ = 103032520.

The previous prime is 103032509. The next prime is 103032557. The reversal of 103032521 is 125230301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 5812921 = 9860^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 103032521 - 2²² = 98838217 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 103032521.

It is not a weakly prime, because it can be changed into another prime (103031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51516260 + 51516261.

It is an arithmetic number, because the mean of its divisors is an integer number (51516261).

Almost surely, 2^103032521 is an apocalyptic number.

It is an amenable number.

103032521 is a deficient number, since it is larger than the sum of its proper divisors (1).

103032521 is an equidigital number, since it uses as much as digits as its factorization.

103032521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103032521 is about 10150.4936333166. The cubic root of 103032521 is about 468.8041441220.

Adding to 103032521 its reverse (125230301), we get a palindrome (228262822).

The spelling of 103032521 in words is "one hundred three million, thirty-two thousand, five hundred twenty-one".