2518987 has 2 divisors, whose sum is σ = 2518988. Its totient is φ = 2518986.

The previous prime is 2518981. The next prime is 2519003. The reversal of 2518987 is 7898152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2518987 - 2¹⁵ = 2486219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2518981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259493 + 1259494.

It is an arithmetic number, because the mean of its divisors is an integer number (1259494).

2^2518987 is an apocalyptic number.

2518987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2518987 is an equidigital number, since it uses as much as digits as its factorization.

2518987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 40.

The square root of 2518987 is about 1587.1316895582. The cubic root of 2518987 is about 136.0636056284.

The spelling of 2518987 in words is "two million, five hundred eighteen thousand, nine hundred eighty-seven".