3145117 has 2 divisors, whose sum is σ = 3145118. Its totient is φ = 3145116.

The previous prime is 3145097. The next prime is 3145123. The reversal of 3145117 is 7115413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 1279161 = 1366^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145117 - 2⁷ = 3144989 is a prime.

It is a super-3 number, since 3×3145117³ = 93332236511796949839, which contains 333 as substring.

3145117 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572558 + 1572559.

It is an arithmetic number, because the mean of its divisors is an integer number (1572559).

Almost surely, 2^3145117 is an apocalyptic number.

It is an amenable number.

3145117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145117 is an equidigital number, since it uses as much as digits as its factorization.

3145117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 3145117 is about 1773.4477719967. The cubic root of 3145117 is about 146.5139359362.

The spelling of 3145117 in words is "three million, one hundred forty-five thousand, one hundred seventeen".