2972005 has 4 divisors (see below), whose sum is σ = 3566412. Its totient is φ = 2377600.

The previous prime is 2971993. The next prime is 2972027. The reversal of 2972005 is 5002792.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 1572516 = 1183^2 + 1254^2 .

It is not a de Polignac number, because 2972005 - 2⁵ = 2971973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297196 + ... + 297205.

It is an arithmetic number, because the mean of its divisors is an integer number (891603).

2^2972005 is an apocalyptic number.

It is an amenable number.

2972005 is a deficient number, since it is larger than the sum of its proper divisors (594407).

2972005 is an equidigital number, since it uses as much as digits as its factorization.

2972005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594406.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2972005 is about 1723.9504053191. The cubic root of 2972005 is about 143.7749345530.

Adding to 2972005 its reverse (5002792), we get a palindrome (7974797).

The spelling of 2972005 in words is "two million, nine hundred seventy-two thousand, five".