103043389 has 2 divisors, whose sum is σ = 103043390. Its totient is φ = 103043388.

The previous prime is 103043383. The next prime is 103043401. The reversal of 103043389 is 983340301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 41499364 = 7845^2 + 6442^2 .

It is an emirp because it is prime and its reverse (983340301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103043389 - 2⁵ = 103043357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103043389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103043383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521694 + 51521695.

It is an arithmetic number, because the mean of its divisors is an integer number (51521695).

Almost surely, 2^103043389 is an apocalyptic number.

It is an amenable number.

103043389 is a deficient number, since it is larger than the sum of its proper divisors (1).

103043389 is an equidigital number, since it uses as much as digits as its factorization.

103043389 is an evil number, because the sum of its binary digits is even.

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

The square root of 103043389 is about 10151.0289626225. The cubic root of 103043389 is about 468.8206268929.

The spelling of 103043389 in words is "one hundred three million, forty-three thousand, three hundred eighty-nine".