2971251 has 6 divisors (see below), whose sum is σ = 4291820. Its totient is φ = 1980828.

The previous prime is 2971247. The next prime is 2971259. The reversal of 2971251 is 1521792.

It is not a de Polignac number, because 2971251 - 2² = 2971247 is a prime.

It is a Duffinian number.

2971251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2971259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165061 + ... + 165078.

2^2971251 is an apocalyptic number.

2971251 is a deficient number, since it is larger than the sum of its proper divisors (1320569).

2971251 is a wasteful number, since it uses less digits than its factorization.

2971251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330145 (or 330142 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2971251 is about 1723.7317076622. The cubic root of 2971251 is about 143.7627749201.

The spelling of 2971251 in words is "two million, nine hundred seventy-one thousand, two hundred fifty-one".