103303489 has 2 divisors, whose sum is σ = 103303490. Its totient is φ = 103303488.

The previous prime is 103303433. The next prime is 103303493. The reversal of 103303489 is 984303301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 1192464 = 10105^2 + 1092^2 .

It is an emirp because it is prime and its reverse (984303301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103303489 - 2¹⁵ = 103270721 is a prime.

It is a super-2 number, since 2×103303489² = 21343221679146242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103303489.

It is not a weakly prime, because it can be changed into another prime (103303429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51651744 + 51651745.

It is an arithmetic number, because the mean of its divisors is an integer number (51651745).

Almost surely, 2^103303489 is an apocalyptic number.

It is an amenable number.

103303489 is a deficient number, since it is larger than the sum of its proper divisors (1).

103303489 is an equidigital number, since it uses as much as digits as its factorization.

103303489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 103303489 is about 10163.8323972801. The cubic root of 103303489 is about 469.2147579160.

The spelling of 103303489 in words is "one hundred three million, three hundred three thousand, four hundred eighty-nine".