2487566 has 4 divisors (see below), whose sum is σ = 3731352. Its totient is φ = 1243782.

The previous prime is 2487557. The next prime is 2487571. The reversal of 2487566 is 6657842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁵ + 8 + 7² + 5⁹ + 6⁴ + 6⁵ .

It is a pancake number, because a pancake can be divided into 2487566 parts by 2230 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621890 + ... + 621893.

It is an arithmetic number, because the mean of its divisors is an integer number (932838).

2^2487566 is an apocalyptic number.

2487566 is a deficient number, since it is larger than the sum of its proper divisors (1243786).

2487566 is a wasteful number, since it uses less digits than its factorization.

2487566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243785.

The product of its digits is 80640, while the sum is 38.

The square root of 2487566 is about 1577.2019528266. The cubic root of 2487566 is about 135.4954996395.

The spelling of 2487566 in words is "two million, four hundred eighty-seven thousand, five hundred sixty-six".