190535797 has 2 divisors, whose sum is σ = 190535798. Its totient is φ = 190535796.

The previous prime is 190535789. The next prime is 190535803. The reversal of 190535797 is 797535091.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187388721 + 3147076 = 13689^2 + 1774^2 .

It is an emirp because it is prime and its reverse (797535091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190535797 - 2³ = 190535789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190535707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95267898 + 95267899.

It is an arithmetic number, because the mean of its divisors is an integer number (95267899).

Almost surely, 2^190535797 is an apocalyptic number.

It is an amenable number.

190535797 is a deficient number, since it is larger than the sum of its proper divisors (1).

190535797 is an equidigital number, since it uses as much as digits as its factorization.

190535797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 190535797 is about 13803.4704694146. The cubic root of 190535797 is about 575.4295940216.

The spelling of 190535797 in words is "one hundred ninety million, five hundred thirty-five thousand, seven hundred ninety-seven".