103303261 has 2 divisors, whose sum is σ = 103303262. Its totient is φ = 103303260.

The previous prime is 103303219. The next prime is 103303267. The reversal of 103303261 is 162303301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 17388900 = 9269^2 + 4170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103303261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103303267) 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, 51651630 + 51651631.

It is an arithmetic number, because the mean of its divisors is an integer number (51651631).

Almost surely, 2^103303261 is an apocalyptic number.

It is an amenable number.

103303261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103303261 is an equidigital number, since it uses as much as digits as its factorization.

103303261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 103303261 is about 10163.8211810323. The cubic root of 103303261 is about 469.2144127162.

Adding to 103303261 its reverse (162303301), we get a palindrome (265606562).

The spelling of 103303261 in words is "one hundred three million, three hundred three thousand, two hundred sixty-one".