653197 has 2 divisors, whose sum is σ = 653198. Its totient is φ = 653196.

The previous prime is 653153. The next prime is 653203. The reversal of 653197 is 791356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 84681 = 754^2 + 291^2 .

It is a cyclic number.

It is not a de Polignac number, because 653197 - 2¹⁵ = 620429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653117) 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, 326598 + 326599.

It is an arithmetic number, because the mean of its divisors is an integer number (326599).

2⁶⁵³¹⁹⁷ is an apocalyptic number.

It is an amenable number.

653197 is a deficient number, since it is larger than the sum of its proper divisors (1).

653197 is an equidigital number, since it uses as much as digits as its factorization.

653197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 653197 is about 808.2060380868. The cubic root of 653197 is about 86.7656971210.

The spelling of 653197 in words is "six hundred fifty-three thousand, one hundred ninety-seven".