3402545 has 4 divisors (see below), whose sum is σ = 4083060. Its totient is φ = 2722032.

The previous prime is 3402527. The next prime is 3402563. The reversal of 3402545 is 5452043.

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

It is an interprime number because it is at equal distance from previous prime (3402527) and next prime (3402563).

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 2093809 = 1144^2 + 1447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3402545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3402545.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 340250 + ... + 340259.

It is an arithmetic number, because the mean of its divisors is an integer number (1020765).

Almost surely, 2^3402545 is an apocalyptic number.

It is an amenable number.

3402545 is a deficient number, since it is larger than the sum of its proper divisors (680515).

3402545 is an equidigital number, since it uses as much as digits as its factorization.

3402545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680514.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3402545 is about 1844.5988723839. The cubic root of 3402545 is about 150.4069689175.

Adding to 3402545 its reverse (5452043), we get a palindrome (8854588).

The spelling of 3402545 in words is "three million, four hundred two thousand, five hundred forty-five".