4909523 has 2 divisors, whose sum is σ = 4909524. Its totient is φ = 4909522.

The previous prime is 4909483. The next prime is 4909537. The reversal of 4909523 is 3259094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4909523 - 2¹² = 4905427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4909523.

It is not a weakly prime, because it can be changed into another prime (4909823) 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, 2454761 + 2454762.

It is an arithmetic number, because the mean of its divisors is an integer number (2454762).

Almost surely, 2^4909523 is an apocalyptic number.

4909523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4909523 is an equidigital number, since it uses as much as digits as its factorization.

4909523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 4909523 is about 2215.7443444585. The cubic root of 4909523 is about 169.9598867294.

The spelling of 4909523 in words is "four million, nine hundred nine thousand, five hundred twenty-three".