2951005 has 4 divisors (see below), whose sum is σ = 3541212. Its totient is φ = 2360800.

The previous prime is 2950999. The next prime is 2951021. The reversal of 2951005 is 5001592.

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 974169 + 1976836 = 987^2 + 1406^2 .

It is not a de Polignac number, because 2951005 - 2¹⁷ = 2819933 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 295096 + ... + 295105.

It is an arithmetic number, because the mean of its divisors is an integer number (885303).

2^2951005 is an apocalyptic number.

It is an amenable number.

2951005 is a deficient number, since it is larger than the sum of its proper divisors (590207).

2951005 is an equidigital number, since it uses as much as digits as its factorization.

2951005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590206.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2951005 is about 1717.8489456294. The cubic root of 2951005 is about 143.4354989413.

Adding to 2951005 its reverse (5001592), we get a palindrome (7952597).

The spelling of 2951005 in words is "two million, nine hundred fifty-one thousand, five".