10980509 has 2 divisors, whose sum is σ = 10980510. Its totient is φ = 10980508.

The previous prime is 10980493. The next prime is 10980517. The reversal of 10980509 is 90508901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10745284 + 235225 = 3278^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 10980509 - 2⁴ = 10980493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10980539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5490254 + 5490255.

It is an arithmetic number, because the mean of its divisors is an integer number (5490255).

Almost surely, 2^10980509 is an apocalyptic number.

It is an amenable number.

10980509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10980509 is an equidigital number, since it uses as much as digits as its factorization.

10980509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 10980509 is about 3313.6851087573. The cubic root of 10980509 is about 222.2665750453.

The spelling of 10980509 in words is "ten million, nine hundred eighty thousand, five hundred nine".