2150005 has 32 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 1382400.

The previous prime is 2149993. The next prime is 2150009. The reversal of 2150005 is 5000512.

2150005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2150005 - 2⁷ = 2149877 is a prime.

It is a super-3 number, since 3×2150005³ = 29815333012983750375, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150009) 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 31 ways as a sum of consecutive naturals, for example, 22117 + ... + 22213.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2^2150005 is an apocalyptic number.

It is an amenable number.

2150005 is a deficient number, since it is larger than the sum of its proper divisors (1011083).

2150005 is a wasteful number, since it uses less digits than its factorization.

2150005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 2150005 is about 1466.2895348464. The cubic root of 2150005 is about 129.0663881187.

Adding to 2150005 its reverse (5000512), we get a palindrome (7150517).

The spelling of 2150005 in words is "two million, one hundred fifty thousand, five".