3122545 has 4 divisors (see below), whose sum is σ = 3747060. Its totient is φ = 2498032.

The previous prime is 3122533. The next prime is 3122551. The reversal of 3122545 is 5452213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5452213 = 13 ⋅419401.

It can be written as a sum of positive squares in 2 ways, for example, as 1151329 + 1971216 = 1073^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122545 - 2⁵ = 3122513 is a prime.

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, 312250 + ... + 312259.

It is an arithmetic number, because the mean of its divisors is an integer number (936765).

Almost surely, 2^3122545 is an apocalyptic number.

It is an amenable number.

3122545 is a deficient number, since it is larger than the sum of its proper divisors (624515).

3122545 is an equidigital number, since it uses as much as digits as its factorization.

3122545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624514.

The product of its digits is 1200, while the sum is 22.

The square root of 3122545 is about 1767.0724376776. The cubic root of 3122545 is about 146.1625917417.

Adding to 3122545 its reverse (5452213), we get a palindrome (8574758).

The spelling of 3122545 in words is "three million, one hundred twenty-two thousand, five hundred forty-five".