25828250057 has 2 divisors, whose sum is σ = 25828250058. Its totient is φ = 25828250056.

The previous prime is 25828250033. The next prime is 25828250083. The reversal of 25828250057 is 75005282852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18157293001 + 7670957056 = 134749^2 + 87584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25828250057 is a prime.

It is not a weakly prime, because it can be changed into another prime (25828250857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914125028 + 12914125029.

It is an arithmetic number, because the mean of its divisors is an integer number (12914125029).

Almost surely, 2^25828250057 is an apocalyptic number.

It is an amenable number.

25828250057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25828250057 is an equidigital number, since it uses as much as digits as its factorization.

25828250057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 25828250057 in words is "twenty-five billion, eight hundred twenty-eight million, two hundred fifty thousand, fifty-seven".