404112613 has 2 divisors, whose sum is σ = 404112614. Its totient is φ = 404112612.

The previous prime is 404112607. The next prime is 404112629. The reversal of 404112613 is 316211404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281501284 + 122611329 = 16778^2 + 11073^2 .

It is a cyclic number.

It is not a de Polignac number, because 404112613 - 2⁹ = 404112101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404122613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202056306 + 202056307.

It is an arithmetic number, because the mean of its divisors is an integer number (202056307).

Almost surely, 2^404112613 is an apocalyptic number.

It is an amenable number.

404112613 is a deficient number, since it is larger than the sum of its proper divisors (1).

404112613 is an equidigital number, since it uses as much as digits as its factorization.

404112613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 404112613 is about 20102.5524001307. The cubic root of 404112613 is about 739.3228606045.

The spelling of 404112613 in words is "four hundred four million, one hundred twelve thousand, six hundred thirteen".