405002095 has 4 divisors (see below), whose sum is σ = 486002520. Its totient is φ = 324001672.

The previous prime is 405002093. The next prime is 405002107. The reversal of 405002095 is 590200504.

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

It is a cyclic number.

It is not a de Polignac number, because 405002095 - 2¹ = 405002093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405002093) 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 3 ways as a sum of consecutive naturals, for example, 40500205 + ... + 40500214.

It is an arithmetic number, because the mean of its divisors is an integer number (121500630).

Almost surely, 2^405002095 is an apocalyptic number.

405002095 is a deficient number, since it is larger than the sum of its proper divisors (81000425).

405002095 is an equidigital number, since it uses as much as digits as its factorization.

405002095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81000424.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 405002095 is about 20124.6638481243. The cubic root of 405002095 is about 739.8648980289.

Adding to 405002095 its reverse (590200504), we get a palindrome (995202599).

The spelling of 405002095 in words is "four hundred five million, two thousand, ninety-five".