190072517 has 2 divisors, whose sum is σ = 190072518. Its totient is φ = 190072516.

The previous prime is 190072481. The next prime is 190072541. The reversal of 190072517 is 715270091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185804161 + 4268356 = 13631^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 190072517 - 2⁸ = 190072261 is a prime.

It is a super-2 number, since 2×190072517² = 72255123437430578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190072577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95036258 + 95036259.

It is an arithmetic number, because the mean of its divisors is an integer number (95036259).

Almost surely, 2^190072517 is an apocalyptic number.

It is an amenable number.

190072517 is a deficient number, since it is larger than the sum of its proper divisors (1).

190072517 is an equidigital number, since it uses as much as digits as its factorization.

190072517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 190072517 is about 13786.6789692079. The cubic root of 190072517 is about 574.9628376739.

The spelling of 190072517 in words is "one hundred ninety million, seventy-two thousand, five hundred seventeen".