9825523 has 2 divisors, whose sum is σ = 9825524. Its totient is φ = 9825522.

The previous prime is 9825499. The next prime is 9825533. The reversal of 9825523 is 3255289.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9825523 is a prime.

It is an Ulam number.

9825523 is a lucky number.

It is equal to p₆₅₃₈₄₈ and since 9825523 and 653848 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (9825533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4912761 + 4912762.

It is an arithmetic number, because the mean of its divisors is an integer number (4912762).

Almost surely, 2^9825523 is an apocalyptic number.

9825523 is a deficient number, since it is larger than the sum of its proper divisors (1).

9825523 is an equidigital number, since it uses as much as digits as its factorization.

9825523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 9825523 is about 3134.5690293883. The cubic root of 9825523 is about 214.1831125533.

The spelling of 9825523 in words is "nine million, eight hundred twenty-five thousand, five hundred twenty-three".