3109523 has 2 divisors, whose sum is σ = 3109524. Its totient is φ = 3109522.

The previous prime is 3109511. The next prime is 3109541. The reversal of 3109523 is 3259013.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3109523 - 2¹⁸ = 2847379 is a prime.

It is not a weakly prime, because it can be changed into another prime (3109553) 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, 1554761 + 1554762.

It is an arithmetic number, because the mean of its divisors is an integer number (1554762).

Almost surely, 2^3109523 is an apocalyptic number.

3109523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109523 is an equidigital number, since it uses as much as digits as its factorization.

3109523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3109523 is about 1763.3839627262. The cubic root of 3109523 is about 145.9591272339.

The spelling of 3109523 in words is "three million, one hundred nine thousand, five hundred twenty-three".