2305995 has 8 divisors (see below), whose sum is σ = 3689616. Its totient is φ = 1229856.

The previous prime is 2305987. The next prime is 2306023. The reversal of 2305995 is 5995032.

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

It is not a de Polignac number, because 2305995 - 2³ = 2305987 is a prime.

It is a super-2 number, since 2×2305995² = 10635225880050, which contains 22 as substring.

2305995 is a lucky number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76852 + ... + 76881.

It is an arithmetic number, because the mean of its divisors is an integer number (461202).

2^2305995 is an apocalyptic number.

2305995 is a deficient number, since it is larger than the sum of its proper divisors (1383621).

2305995 is a wasteful number, since it uses less digits than its factorization.

2305995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153741.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 2305995 is about 1518.5502955121. The cubic root of 2305995 is about 132.1152001669.

The spelling of 2305995 in words is "two million, three hundred five thousand, nine hundred ninety-five".