10382509 has 2 divisors, whose sum is σ = 10382510. Its totient is φ = 10382508.

The previous prime is 10382507. The next prime is 10382513. The reversal of 10382509 is 90528301.

10382509 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10381284 + 1225 = 3222^2 + 35^2 .

It is an emirp because it is prime and its reverse (90528301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10382509 - 2¹ = 10382507 is a prime.

Together with 10382507, 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 (10382501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5191254 + 5191255.

It is an arithmetic number, because the mean of its divisors is an integer number (5191255).

Almost surely, 2^10382509 is an apocalyptic number.

It is an amenable number.

10382509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10382509 is an equidigital number, since it uses as much as digits as its factorization.

10382509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10382509 is about 3222.1900937096. The cubic root of 10382509 is about 218.1561390180.

The spelling of 10382509 in words is "ten million, three hundred eighty-two thousand, five hundred nine".