2981251 has 12 divisors (see below), whose sum is σ = 3689616. Its totient is φ = 2345760.

The previous prime is 2981243. The next prime is 2981263. The reversal of 2981251 is 1521892.

It is not a de Polignac number, because 2981251 - 2³ = 2981243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2981221) 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 11 ways as a sum of consecutive naturals, for example, 16381 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (307468).

2^2981251 is an apocalyptic number.

2981251 is a deficient number, since it is larger than the sum of its proper divisors (708365).

2981251 is an equidigital number, since it uses as much as digits as its factorization.

2981251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 201 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2981251 is about 1726.6299545647. The cubic root of 2981251 is about 143.9238763034.

The spelling of 2981251 in words is "two million, nine hundred eighty-one thousand, two hundred fifty-one".