2548987 has 4 divisors (see below), whose sum is σ = 2913136. Its totient is φ = 2184840.

The previous prime is 2548979. The next prime is 2549003. The reversal of 2548987 is 7898452.

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

It is not a de Polignac number, because 2548987 - 2³ = 2548979 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁸ + 4⁵ + 8² + 9⁵ + 8⁷ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548927) 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, 182064 + ... + 182077.

It is an arithmetic number, because the mean of its divisors is an integer number (728284).

2^2548987 is an apocalyptic number.

2548987 is a deficient number, since it is larger than the sum of its proper divisors (364149).

2548987 is an equidigital number, since it uses as much as digits as its factorization.

2548987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364148.

The product of its digits is 161280, while the sum is 43.

The square root of 2548987 is about 1596.5547281569. The cubic root of 2548987 is about 136.6016274574.

The spelling of 2548987 in words is "two million, five hundred forty-eight thousand, nine hundred eighty-seven".