405095 has 4 divisors (see below), whose sum is σ = 486120. Its totient is φ = 324072.

The previous prime is 405091. The next prime is 405143. The reversal of 405095 is 590504.

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 405095 - 2² = 405091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405095.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 405095.

It is not an unprimeable number, because it can be changed into a prime (405091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40505 + ... + 40514.

It is an arithmetic number, because the mean of its divisors is an integer number (121530).

2⁴⁰⁵⁰⁹⁵ is an apocalyptic number.

405095 is a deficient number, since it is larger than the sum of its proper divisors (81025).

405095 is an equidigital number, since it uses as much as digits as its factorization.

405095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81024.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 405095 is about 636.4707377406. The cubic root of 405095 is about 73.9921467196.

Adding to 405095 its reverse (590504), we get a palindrome (995599).

The spelling of 405095 in words is "four hundred five thousand, ninety-five".