192425861 has 2 divisors, whose sum is σ = 192425862. Its totient is φ = 192425860.

The previous prime is 192425837. The next prime is 192425869. The reversal of 192425861 is 168524291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184552225 + 7873636 = 13585^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 192425861 - 2¹⁸ = 192163717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192425869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96212930 + 96212931.

It is an arithmetic number, because the mean of its divisors is an integer number (96212931).

Almost surely, 2^192425861 is an apocalyptic number.

It is an amenable number.

192425861 is a deficient number, since it is larger than the sum of its proper divisors (1).

192425861 is an equidigital number, since it uses as much as digits as its factorization.

192425861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 192425861 is about 13871.7648841090. The cubic root of 192425861 is about 577.3260394429.

The spelling of 192425861 in words is "one hundred ninety-two million, four hundred twenty-five thousand, eight hundred sixty-one".