2152005 has 8 divisors (see below), whose sum is σ = 3443232. Its totient is φ = 1147728.

The previous prime is 2152001. The next prime is 2152009. The reversal of 2152005 is 5002512.

It is an interprime number because it is at equal distance from previous prime (2152001) and next prime (2152009).

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

It is not a de Polignac number, because 2152005 - 2² = 2152001 is a prime.

It is a super-2 number, since 2×2152005² = 9262251040050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 143467 = 2152005 / (2 + 1 + 5 + 2 + 0 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71719 + ... + 71748.

It is an arithmetic number, because the mean of its divisors is an integer number (430404).

2^2152005 is an apocalyptic number.

It is an amenable number.

2152005 is a deficient number, since it is larger than the sum of its proper divisors (1291227).

2152005 is a wasteful number, since it uses less digits than its factorization.

2152005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143475.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2152005 is about 1466.9713698638. The cubic root of 2152005 is about 129.1063962081.

Adding to 2152005 its reverse (5002512), we get a palindrome (7154517).

The spelling of 2152005 in words is "two million, one hundred fifty-two thousand, five".