2487149 has 4 divisors (see below), whose sum is σ = 2842464. Its totient is φ = 2131836.

The previous prime is 2487143. The next prime is 2487167. The reversal of 2487149 is 9417842.

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 de Polignac number, because none of the positive numbers 2^k-2487149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487143) 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, 177647 + ... + 177660.

It is an arithmetic number, because the mean of its divisors is an integer number (710616).

2^2487149 is an apocalyptic number.

It is an amenable number.

2487149 is a deficient number, since it is larger than the sum of its proper divisors (355315).

2487149 is an equidigital number, since it uses as much as digits as its factorization.

2487149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355314.

The product of its digits is 16128, while the sum is 35.

The square root of 2487149 is about 1577.0697511524. The cubic root of 2487149 is about 135.4879280104.

The spelling of 2487149 in words is "two million, four hundred eighty-seven thousand, one hundred forty-nine".