10509523 has 2 divisors, whose sum is σ = 10509524. Its totient is φ = 10509522.

The previous prime is 10509509. The next prime is 10509533. The reversal of 10509523 is 32590501.

It is a strong prime.

It is an emirp because it is prime and its reverse (32590501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10509523 is a prime.

It is a super-2 number, since 2×10509523² = 220900147375058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10509503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254761 + 5254762.

It is an arithmetic number, because the mean of its divisors is an integer number (5254762).

Almost surely, 2^10509523 is an apocalyptic number.

10509523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10509523 is an equidigital number, since it uses as much as digits as its factorization.

10509523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 10509523 is about 3241.8394469807. The cubic root of 10509523 is about 219.0421372462.

The spelling of 10509523 in words is "ten million, five hundred nine thousand, five hundred twenty-three".