2005465331 has 4 divisors (see below), whose sum is σ = 2011212000. Its totient is φ = 1999718664.

The previous prime is 2005465303. The next prime is 2005465337. The reversal of 2005465331 is 1335645002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005465331 is a prime.

It is a super-2 number, since 2×2005465331² = 8043782387685879122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005465294 and 2005465303.

It is not an unprimeable number, because it can be changed into a prime (2005465337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872811 + ... + 2873508.

It is an arithmetic number, because the mean of its divisors is an integer number (502803000).

Almost surely, 2^2005465331 is an apocalyptic number.

2005465331 is a deficient number, since it is larger than the sum of its proper divisors (5746669).

2005465331 is an equidigital number, since it uses as much as digits as its factorization.

2005465331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746668.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2005465331 is about 44782.4221207384. The cubic root of 2005465331 is about 1261.0676536953.

The spelling of 2005465331 in words is "two billion, five million, four hundred sixty-five thousand, three hundred thirty-one".