25318567 has 2 divisors, whose sum is σ = 25318568. Its totient is φ = 25318566.

The previous prime is 25318543. The next prime is 25318591. The reversal of 25318567 is 76581352.

It is a balanced prime because it is at equal distance from previous prime (25318543) and next prime (25318591).

It is a cyclic number.

It is not a de Polignac number, because 25318567 - 2⁷ = 25318439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25318367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659283 + 12659284.

It is an arithmetic number, because the mean of its divisors is an integer number (12659284).

Almost surely, 2^25318567 is an apocalyptic number.

25318567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25318567 is an equidigital number, since it uses as much as digits as its factorization.

25318567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 25318567 is about 5031.7558565574. The cubic root of 25318567 is about 293.6385294873.

The spelling of 25318567 in words is "twenty-five million, three hundred eighteen thousand, five hundred sixty-seven".