190512697 has 2 divisors, whose sum is σ = 190512698. Its totient is φ = 190512696.

The previous prime is 190512653. The next prime is 190512709. The reversal of 190512697 is 796215091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185477161 + 5035536 = 13619^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 190512697 - 2¹⁵ = 190479929 is a prime.

It is not a weakly prime, because it can be changed into another prime (190512797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95256348 + 95256349.

It is an arithmetic number, because the mean of its divisors is an integer number (95256349).

Almost surely, 2^190512697 is an apocalyptic number.

It is an amenable number.

190512697 is a deficient number, since it is larger than the sum of its proper divisors (1).

190512697 is an equidigital number, since it uses as much as digits as its factorization.

190512697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 190512697 is about 13802.6336979578. The cubic root of 190512697 is about 575.4063386176.

The spelling of 190512697 in words is "one hundred ninety million, five hundred twelve thousand, six hundred ninety-seven".