3118481 has 2 divisors, whose sum is σ = 3118482. Its totient is φ = 3118480.

The previous prime is 3118469. The next prime is 3118499. The reversal of 3118481 is 1848113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 379456 = 1655^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 3118481 - 2⁶ = 3118417 is a prime.

It is a super-2 number, since 2×3118481² = 19449847494722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3118481.

It is not a weakly prime, because it can be changed into another prime (3118411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559240 + 1559241.

It is an arithmetic number, because the mean of its divisors is an integer number (1559241).

Almost surely, 2^3118481 is an apocalyptic number.

It is an amenable number.

3118481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3118481 is an equidigital number, since it uses as much as digits as its factorization.

3118481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 3118481 is about 1765.9221387139. The cubic root of 3118481 is about 146.0991538880.

The spelling of 3118481 in words is "three million, one hundred eighteen thousand, four hundred eighty-one".