3125555 has 4 divisors (see below), whose sum is σ = 3750672. Its totient is φ = 2500440.

The previous prime is 3125537. The next prime is 3125561. The reversal of 3125555 is 5555213.

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

It is not a de Polignac number, because 3125555 - 2⁸ = 3125299 is a prime.

It is a Duffinian number.

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, 312551 + ... + 312560.

It is an arithmetic number, because the mean of its divisors is an integer number (937668).

Almost surely, 2^3125555 is an apocalyptic number.

3125555 is a deficient number, since it is larger than the sum of its proper divisors (625117).

3125555 is an equidigital number, since it uses as much as digits as its factorization.

3125555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625116.

The product of its digits is 3750, while the sum is 26.

The square root of 3125555 is about 1767.9239237026. The cubic root of 3125555 is about 146.2095414908.

The spelling of 3125555 in words is "three million, one hundred twenty-five thousand, five hundred fifty-five".