2487247 has 4 divisors (see below), whose sum is σ = 2842576. Its totient is φ = 2131920.

The previous prime is 2487229. The next prime is 2487259. The reversal of 2487247 is 7427842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7427842 = 2 ⋅3713921.

It is not a de Polignac number, because 2487247 - 2¹⁹ = 1962959 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 (2487227) 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, 177654 + ... + 177667.

It is an arithmetic number, because the mean of its divisors is an integer number (710644).

2^2487247 is an apocalyptic number.

2487247 is a deficient number, since it is larger than the sum of its proper divisors (355329).

2487247 is an equidigital number, since it uses as much as digits as its factorization.

2487247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355328.

The product of its digits is 25088, while the sum is 34.

The square root of 2487247 is about 1577.1008211272. The cubic root of 2487247 is about 135.4897075101.

The spelling of 2487247 in words is "two million, four hundred eighty-seven thousand, two hundred forty-seven".