2981249 has 4 divisors (see below), whose sum is σ = 2988480. Its totient is φ = 2974020.

The previous prime is 2981243. The next prime is 2981263. The reversal of 2981249 is 9421892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2981249 - 2⁸ = 2980993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2981243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957 + ... + 3834.

It is an arithmetic number, because the mean of its divisors is an integer number (747120).

2^2981249 is an apocalyptic number.

It is an amenable number.

2981249 is a deficient number, since it is larger than the sum of its proper divisors (7231).

2981249 is an equidigital number, since it uses as much as digits as its factorization.

2981249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its digits is 10368, while the sum is 35.

The square root of 2981249 is about 1726.6293754017. The cubic root of 2981249 is about 143.9238441191.

The spelling of 2981249 in words is "two million, nine hundred eighty-one thousand, two hundred forty-nine".