25662059 has 2 divisors, whose sum is σ = 25662060. Its totient is φ = 25662058.

The previous prime is 25662037. The next prime is 25662067. The reversal of 25662059 is 95026652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25662059 - 2¹² = 25657963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25632059) 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, 12831029 + 12831030.

It is an arithmetic number, because the mean of its divisors is an integer number (12831030).

Almost surely, 2^25662059 is an apocalyptic number.

25662059 is a deficient number, since it is larger than the sum of its proper divisors (1).

25662059 is an equidigital number, since it uses as much as digits as its factorization.

25662059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 25662059 is about 5065.7732874656. The cubic root of 25662059 is about 294.9604811565.

The spelling of 25662059 in words is "twenty-five million, six hundred sixty-two thousand, fifty-nine".