405192113 has 4 divisors (see below), whose sum is σ = 407291748. Its totient is φ = 403092480.

The previous prime is 405192107. The next prime is 405192133. The reversal of 405192113 is 311291504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112508449 + 292683664 = 10607^2 + 17108^2 .

It is a cyclic number.

It is not a de Polignac number, because 405192113 - 2²² = 400997809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405192133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049528 + ... + 1049913.

It is an arithmetic number, because the mean of its divisors is an integer number (101822937).

Almost surely, 2^405192113 is an apocalyptic number.

It is an amenable number.

405192113 is a deficient number, since it is larger than the sum of its proper divisors (2099635).

405192113 is a wasteful number, since it uses less digits than its factorization.

405192113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099634.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 405192113 is about 20129.3843174599. The cubic root of 405192113 is about 739.9805893375.

The spelling of 405192113 in words is "four hundred five million, one hundred ninety-two thousand, one hundred thirteen".