3105481 has 2 divisors, whose sum is σ = 3105482. Its totient is φ = 3105480.

The previous prime is 3105467. The next prime is 3105491. The reversal of 3105481 is 1845013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 266256 = 1685^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105481 - 2¹⁷ = 2974409 is a prime.

It is a super-2 number, since 2×3105481² = 19288024482722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3105451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552740 + 1552741.

It is an arithmetic number, because the mean of its divisors is an integer number (1552741).

Almost surely, 2^3105481 is an apocalyptic number.

It is an amenable number.

3105481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3105481 is an equidigital number, since it uses as much as digits as its factorization.

3105481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 3105481 is about 1762.2374981824. The cubic root of 3105481 is about 145.8958568003.

The spelling of 3105481 in words is "three million, one hundred five thousand, four hundred eighty-one".