10730509 has 2 divisors, whose sum is σ = 10730510. Its totient is φ = 10730508.

The previous prime is 10730471. The next prime is 10730527. The reversal of 10730509 is 90503701.

10730509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 426409 = 3210^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 10730509 - 2⁷ = 10730381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10730549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365254 + 5365255.

It is an arithmetic number, because the mean of its divisors is an integer number (5365255).

Almost surely, 2^10730509 is an apocalyptic number.

It is an amenable number.

10730509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10730509 is an equidigital number, since it uses as much as digits as its factorization.

10730509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 10730509 is about 3275.7455639900. The cubic root of 10730509 is about 220.5667823557.

The spelling of 10730509 in words is "ten million, seven hundred thirty thousand, five hundred nine".