25488587 has 2 divisors, whose sum is σ = 25488588. Its totient is φ = 25488586.

The previous prime is 25488581. The next prime is 25488599. The reversal of 25488587 is 78588452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25488587 - 2¹⁰ = 25487563 is a prime.

It is not a weakly prime, because it can be changed into another prime (25488581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12744293 + 12744294.

It is an arithmetic number, because the mean of its divisors is an integer number (12744294).

Almost surely, 2^25488587 is an apocalyptic number.

25488587 is a deficient number, since it is larger than the sum of its proper divisors (1).

25488587 is an equidigital number, since it uses as much as digits as its factorization.

25488587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 716800, while the sum is 47.

The square root of 25488587 is about 5048.6222873176. The cubic root of 25488587 is about 294.2943471001.

The spelling of 25488587 in words is "twenty-five million, four hundred eighty-eight thousand, five hundred eighty-seven".