190725049 has 2 divisors, whose sum is σ = 190725050. Its totient is φ = 190725048.

The previous prime is 190725019. The next prime is 190725077. The reversal of 190725049 is 940527091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172449424 + 18275625 = 13132^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 190725049 - 2⁹ = 190724537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190724999 and 190725017.

It is not a weakly prime, because it can be changed into another prime (190725019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95362524 + 95362525.

It is an arithmetic number, because the mean of its divisors is an integer number (95362525).

Almost surely, 2^190725049 is an apocalyptic number.

It is an amenable number.

190725049 is a deficient number, since it is larger than the sum of its proper divisors (1).

190725049 is an equidigital number, since it uses as much as digits as its factorization.

190725049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 190725049 is about 13810.3240005439. The cubic root of 190725049 is about 575.6200484617.

The spelling of 190725049 in words is "one hundred ninety million, seven hundred twenty-five thousand, forty-nine".