103204709 has 2 divisors, whose sum is σ = 103204710. Its totient is φ = 103204708.

The previous prime is 103204693. The next prime is 103204711. The reversal of 103204709 is 907402301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82864609 + 20340100 = 9103^2 + 4510^2 .

It is a cyclic number.

It is not a de Polignac number, because 103204709 - 2⁴ = 103204693 is a prime.

Together with 103204711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103204609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51602354 + 51602355.

It is an arithmetic number, because the mean of its divisors is an integer number (51602355).

Almost surely, 2^103204709 is an apocalyptic number.

It is an amenable number.

103204709 is a deficient number, since it is larger than the sum of its proper divisors (1).

103204709 is an equidigital number, since it uses as much as digits as its factorization.

103204709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 103204709 is about 10158.9718475838. The cubic root of 103204709 is about 469.0651540151.

The spelling of 103204709 in words is "one hundred three million, two hundred four thousand, seven hundred nine".