405111313 has 2 divisors, whose sum is σ = 405111314. Its totient is φ = 405111312.

The previous prime is 405111307. The next prime is 405111319. The reversal of 405111313 is 313111504.

It is a balanced prime because it is at equal distance from previous prime (405111307) and next prime (405111319).

It can be written as a sum of positive squares in only one way, i.e., 217503504 + 187607809 = 14748^2 + 13697^2 .

It is a cyclic number.

It is not a de Polignac number, because 405111313 - 2⁵ = 405111281 is a prime.

It is not a weakly prime, because it can be changed into another prime (405111319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202555656 + 202555657.

It is an arithmetic number, because the mean of its divisors is an integer number (202555657).

Almost surely, 2^405111313 is an apocalyptic number.

It is an amenable number.

405111313 is a deficient number, since it is larger than the sum of its proper divisors (1).

405111313 is an equidigital number, since it uses as much as digits as its factorization.

405111313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 405111313 is about 20127.3772012153. The cubic root of 405111313 is about 739.9313991678.

Adding to 405111313 its reverse (313111504), we get a palindrome (718222817).

The spelling of 405111313 in words is "four hundred five million, one hundred eleven thousand, three hundred thirteen".