25484287 has 2 divisors, whose sum is σ = 25484288. Its totient is φ = 25484286.

The previous prime is 25484279. The next prime is 25484341. The reversal of 25484287 is 78248452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25484287 - 2³ = 25484279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25484267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12742143 + 12742144.

It is an arithmetic number, because the mean of its divisors is an integer number (12742144).

Almost surely, 2^25484287 is an apocalyptic number.

25484287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25484287 is an equidigital number, since it uses as much as digits as its factorization.

25484287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 40.

The square root of 25484287 is about 5048.1964106005. The cubic root of 25484287 is about 294.2777967271.

The spelling of 25484287 in words is "twenty-five million, four hundred eighty-four thousand, two hundred eighty-seven".