25287467 has 2 divisors, whose sum is σ = 25287468. Its totient is φ = 25287466.

The previous prime is 25287463. The next prime is 25287503. The reversal of 25287467 is 76478252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25287467 - 2² = 25287463 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25287463) 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, 12643733 + 12643734.

It is an arithmetic number, because the mean of its divisors is an integer number (12643734).

Almost surely, 2^25287467 is an apocalyptic number.

25287467 is a deficient number, since it is larger than the sum of its proper divisors (1).

25287467 is an equidigital number, since it uses as much as digits as its factorization.

25287467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 25287467 is about 5028.6645344465. The cubic root of 25287467 is about 293.5182501685.

The spelling of 25287467 in words is "twenty-five million, two hundred eighty-seven thousand, four hundred sixty-seven".