25488487 has 2 divisors, whose sum is σ = 25488488. Its totient is φ = 25488486.

The previous prime is 25488469. The next prime is 25488497. The reversal of 25488487 is 78488452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25488487 - 2¹⁵ = 25455719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25488467) 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, 12744243 + 12744244.

It is an arithmetic number, because the mean of its divisors is an integer number (12744244).

Almost surely, 2^25488487 is an apocalyptic number.

25488487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25488487 is an equidigital number, since it uses as much as digits as its factorization.

25488487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 573440, while the sum is 46.

The square root of 25488487 is about 5048.6123836159. The cubic root of 25488487 is about 294.2939622288.

The spelling of 25488487 in words is "twenty-five million, four hundred eighty-eight thousand, four hundred eighty-seven".