2478587 has 2 divisors, whose sum is σ = 2478588. Its totient is φ = 2478586.

The previous prime is 2478557. The next prime is 2478589. The reversal of 2478587 is 7858742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2478587 - 2⁶ = 2478523 is a prime.

It is a super-2 number, since 2×2478587² = 12286787033138, which contains 22 as substring.

Together with 2478589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2478589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239293 + 1239294.

It is an arithmetic number, because the mean of its divisors is an integer number (1239294).

2^2478587 is an apocalyptic number.

2478587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478587 is an equidigital number, since it uses as much as digits as its factorization.

2478587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 41.

The square root of 2478587 is about 1574.3528829332. The cubic root of 2478587 is about 135.3322770564.

The spelling of 2478587 in words is "two million, four hundred seventy-eight thousand, five hundred eighty-seven".