190236593 has 2 divisors, whose sum is σ = 190236594. Its totient is φ = 190236592.

The previous prime is 190236587. The next prime is 190236643. The reversal of 190236593 is 395632091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131515024 + 58721569 = 11468^2 + 7663^2 .

It is a cyclic number.

It is not a de Polignac number, because 190236593 - 2⁴ = 190236577 is a prime.

It is a super-2 number, since 2×190236593² = 72379922632495298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (190236533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95118296 + 95118297.

It is an arithmetic number, because the mean of its divisors is an integer number (95118297).

Almost surely, 2^190236593 is an apocalyptic number.

It is an amenable number.

190236593 is a deficient number, since it is larger than the sum of its proper divisors (1).

190236593 is an equidigital number, since it uses as much as digits as its factorization.

190236593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 190236593 is about 13792.6282122009. The cubic root of 190236593 is about 575.1282315142.

The spelling of 190236593 in words is "one hundred ninety million, two hundred thirty-six thousand, five hundred ninety-three".