103293221 has 2 divisors, whose sum is σ = 103293222. Its totient is φ = 103293220.

The previous prime is 103293217. The next prime is 103293257. The reversal of 103293221 is 122392301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102232321 + 1060900 = 10111^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 103293221 - 2² = 103293217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103293121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51646610 + 51646611.

It is an arithmetic number, because the mean of its divisors is an integer number (51646611).

Almost surely, 2^103293221 is an apocalyptic number.

It is an amenable number.

103293221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103293221 is an equidigital number, since it uses as much as digits as its factorization.

103293221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103293221 is about 10163.3272603021. The cubic root of 103293221 is about 469.1992113073.

The spelling of 103293221 in words is "one hundred three million, two hundred ninety-three thousand, two hundred twenty-one".