25531001059 has 2 divisors, whose sum is σ = 25531001060. Its totient is φ = 25531001058.

The previous prime is 25531001033. The next prime is 25531001099. The reversal of 25531001059 is 95010013552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25531001059 - 2¹⁵ = 25530968291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25531001059.

It is not a weakly prime, because it can be changed into another prime (25531001009) 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, 12765500529 + 12765500530.

It is an arithmetic number, because the mean of its divisors is an integer number (12765500530).

Almost surely, 2^25531001059 is an apocalyptic number.

25531001059 is a deficient number, since it is larger than the sum of its proper divisors (1).

25531001059 is an equidigital number, since it uses as much as digits as its factorization.

25531001059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 25531001059 in words is "twenty-five billion, five hundred thirty-one million, one thousand, fifty-nine".