192825257 has 2 divisors, whose sum is σ = 192825258. Its totient is φ = 192825256.

The previous prime is 192825223. The next prime is 192825277. The reversal of 192825257 is 752528291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190964761 + 1860496 = 13819^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 192825257 - 2⁸ = 192825001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (192825277) 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, 96412628 + 96412629.

It is an arithmetic number, because the mean of its divisors is an integer number (96412629).

Almost surely, 2^192825257 is an apocalyptic number.

It is an amenable number.

192825257 is a deficient number, since it is larger than the sum of its proper divisors (1).

192825257 is an equidigital number, since it uses as much as digits as its factorization.

192825257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 192825257 is about 13886.1534270654. The cubic root of 192825257 is about 577.7251929364.

The spelling of 192825257 in words is "one hundred ninety-two million, eight hundred twenty-five thousand, two hundred fifty-seven".