653093197 has 2 divisors, whose sum is σ = 653093198. Its totient is φ = 653093196.

The previous prime is 653093101. The next prime is 653093201. The reversal of 653093197 is 791390356.

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., 386554921 + 266538276 = 19661^2 + 16326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653093197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653093297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326546598 + 326546599.

It is an arithmetic number, because the mean of its divisors is an integer number (326546599).

Almost surely, 2^653093197 is an apocalyptic number.

It is an amenable number.

653093197 is a deficient number, since it is larger than the sum of its proper divisors (1).

653093197 is an equidigital number, since it uses as much as digits as its factorization.

653093197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 653093197 is about 25555.6881535207. The cubic root of 653093197 is about 867.6110074513.

The spelling of 653093197 in words is "six hundred fifty-three million, ninety-three thousand, one hundred ninety-seven".