190252091 has 2 divisors, whose sum is σ = 190252092. Its totient is φ = 190252090.

The previous prime is 190252043. The next prime is 190252103.

190252091 is nontrivially palindromic in base 10.

190252091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 190252091 - 2¹⁴ = 190235707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190252001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95126045 + 95126046.

It is an arithmetic number, because the mean of its divisors is an integer number (95126046).

Almost surely, 2^190252091 is an apocalyptic number.

190252091 is a deficient number, since it is larger than the sum of its proper divisors (1).

190252091 is an equidigital number, since it uses as much as digits as its factorization.

190252091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 190252091 is about 13793.1900226162. The cubic root of 190252091 is about 575.1438490761.

The spelling of 190252091 in words is "one hundred ninety million, two hundred fifty-two thousand, ninety-one".