405179113 has 2 divisors, whose sum is σ = 405179114. Its totient is φ = 405179112.

The previous prime is 405179111. The next prime is 405179129. The reversal of 405179113 is 311971504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292649449 + 112529664 = 17107^2 + 10608^2 .

It is a cyclic number.

It is not a de Polignac number, because 405179113 - 2¹ = 405179111 is a prime.

It is a super-2 number, since 2×405179113² = 328340227222933538, which contains 22 as substring.

Together with 405179111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (405179111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202589556 + 202589557.

It is an arithmetic number, because the mean of its divisors is an integer number (202589557).

Almost surely, 2^405179113 is an apocalyptic number.

It is an amenable number.

405179113 is a deficient number, since it is larger than the sum of its proper divisors (1).

405179113 is an equidigital number, since it uses as much as digits as its factorization.

405179113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 405179113 is about 20129.0614038509. The cubic root of 405179113 is about 739.9726755189.

The spelling of 405179113 in words is "four hundred five million, one hundred seventy-nine thousand, one hundred thirteen".