3456545 has 4 divisors (see below), whose sum is σ = 4147860. Its totient is φ = 2765232.

The previous prime is 3456533. The next prime is 3456547. The reversal of 3456545 is 5456543.

3456545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3456545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 1149184 = 1519^2 + 1072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3456545 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3456547) 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 in 3 ways as a sum of consecutive naturals, for example, 345650 + ... + 345659.

It is an arithmetic number, because the mean of its divisors is an integer number (1036965).

Almost surely, 2^3456545 is an apocalyptic number.

It is an amenable number.

3456545 is a deficient number, since it is larger than the sum of its proper divisors (691315).

3456545 is an equidigital number, since it uses as much as digits as its factorization.

3456545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691314.

The product of its digits is 36000, while the sum is 32.

The square root of 3456545 is about 1859.1785820625. The cubic root of 3456545 is about 151.1984729883.

The spelling of 3456545 in words is "three million, four hundred fifty-six thousand, five hundred forty-five".