3055217 has 4 divisors (see below), whose sum is σ = 3332976. Its totient is φ = 2777460.

The previous prime is 3055211. The next prime is 3055229. The reversal of 3055217 is 7125503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3055217 - 2⁶ = 3055153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3055192 and 3055201.

It is not an unprimeable number, because it can be changed into a prime (3055211) by changing a digit.

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, 138863 + ... + 138884.

It is an arithmetic number, because the mean of its divisors is an integer number (833244).

Almost surely, 2^3055217 is an apocalyptic number.

It is an amenable number.

3055217 is a deficient number, since it is larger than the sum of its proper divisors (277759).

3055217 is a wasteful number, since it uses less digits than its factorization.

3055217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277758.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 3055217 is about 1747.9179042507. The cubic root of 3055217 is about 145.1044352665.

The spelling of 3055217 in words is "three million, fifty-five thousand, two hundred seventeen".