25431517283 has 2 divisors, whose sum is σ = 25431517284. Its totient is φ = 25431517282.

The previous prime is 25431517261. The next prime is 25431517303. The reversal of 25431517283 is 38271513452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25431517283 - 2¹⁰ = 25431516259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25431517283.

It is not a weakly prime, because it can be changed into another prime (25431417283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12715758641 + 12715758642.

It is an arithmetic number, because the mean of its divisors is an integer number (12715758642).

Almost surely, 2^25431517283 is an apocalyptic number.

25431517283 is a deficient number, since it is larger than the sum of its proper divisors (1).

25431517283 is an equidigital number, since it uses as much as digits as its factorization.

25431517283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The spelling of 25431517283 in words is "twenty-five billion, four hundred thirty-one million, five hundred seventeen thousand, two hundred eighty-three".