452168405 has 8 divisors (see below), whose sum is σ = 584340792. Its totient is φ = 333908928.

The previous prime is 452168393. The next prime is 452168407. The reversal of 452168405 is 504861254.

It can be written as a sum of positive squares in 4 ways, for example, as 20484676 + 431683729 = 4526^2 + 20777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452168405 - 2²² = 447974101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452168407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478154 + ... + 3478283.

It is an arithmetic number, because the mean of its divisors is an integer number (73042599).

Almost surely, 2^452168405 is an apocalyptic number.

It is an amenable number.

452168405 is a deficient number, since it is larger than the sum of its proper divisors (132172387).

452168405 is a wasteful number, since it uses less digits than its factorization.

452168405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956455.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 452168405 is about 21264.2518090809. The cubic root of 452168405 is about 767.5383266978.

The spelling of 452168405 in words is "four hundred fifty-two million, one hundred sixty-eight thousand, four hundred five".