318449041 has 2 divisors, whose sum is σ = 318449042. Its totient is φ = 318449040.

The previous prime is 318449023. The next prime is 318449077. The reversal of 318449041 is 140944813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167159041 + 151290000 = 12929^2 + 12300^2 .

It is an emirp because it is prime and its reverse (140944813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318449041 - 2¹³ = 318440849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318448988 and 318449006.

It is not a weakly prime, because it can be changed into another prime (318449011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159224520 + 159224521.

It is an arithmetic number, because the mean of its divisors is an integer number (159224521).

Almost surely, 2^318449041 is an apocalyptic number.

It is an amenable number.

318449041 is a deficient number, since it is larger than the sum of its proper divisors (1).

318449041 is an equidigital number, since it uses as much as digits as its factorization.

318449041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 318449041 is about 17845.1405430162. The cubic root of 318449041 is about 682.8835458170.

It can be divided in two parts, 3184 and 49041, that added together give a palindrome (52225).

The spelling of 318449041 in words is "three hundred eighteen million, four hundred forty-nine thousand, forty-one".