3405523 has 8 divisors (see below), whose sum is σ = 3766896. Its totient is φ = 3052800.

The previous prime is 3405509. The next prime is 3405527. The reversal of 3405523 is 3255043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3405523 - 2¹⁷ = 3274451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3405494 and 3405503.

It is not an unprimeable number, because it can be changed into a prime (3405527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (470862).

Almost surely, 2^3405523 is an apocalyptic number.

3405523 is a deficient number, since it is larger than the sum of its proper divisors (361373).

3405523 is a wasteful number, since it uses less digits than its factorization.

3405523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3405523 is about 1845.4059174068. The cubic root of 3405523 is about 150.4508362131.

The spelling of 3405523 in words is "three million, four hundred five thousand, five hundred twenty-three".