25700282057 has 2 divisors, whose sum is σ = 25700282058. Its totient is φ = 25700282056.

The previous prime is 25700282053. The next prime is 25700282071. The reversal of 25700282057 is 75028200752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14988860041 + 10711422016 = 122429^2 + 103496^2 .

It is a cyclic number.

It is not a de Polignac number, because 25700282057 - 2² = 25700282053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25700282057.

It is not a weakly prime, because it can be changed into another prime (25700282051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850141028 + 12850141029.

It is an arithmetic number, because the mean of its divisors is an integer number (12850141029).

Almost surely, 2^25700282057 is an apocalyptic number.

It is an amenable number.

25700282057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700282057 is an equidigital number, since it uses as much as digits as its factorization.

25700282057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 25700282057 in words is "twenty-five billion, seven hundred million, two hundred eighty-two thousand, fifty-seven".