10147309 has 2 divisors, whose sum is σ = 10147310. Its totient is φ = 10147308.

The previous prime is 10147307. The next prime is 10147337. The reversal of 10147309 is 90374101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7171684 + 2975625 = 2678^2 + 1725^2 .

It is an emirp because it is prime and its reverse (90374101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10147309 - 2¹ = 10147307 is a prime.

Together with 10147307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10147307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073654 + 5073655.

It is an arithmetic number, because the mean of its divisors is an integer number (5073655).

Almost surely, 2^10147309 is an apocalyptic number.

It is an amenable number.

10147309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10147309 is an equidigital number, since it uses as much as digits as its factorization.

10147309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10147309 is about 3185.4841076358. The cubic root of 10147309 is about 216.4962086001.

The spelling of 10147309 in words is "ten million, one hundred forty-seven thousand, three hundred nine".