653124191 has 2 divisors, whose sum is σ = 653124192. Its totient is φ = 653124190.

The previous prime is 653124113. The next prime is 653124193. The reversal of 653124191 is 191421356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653124191 - 2¹⁰ = 653123167 is a prime.

Together with 653124193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653124193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326562095 + 326562096.

It is an arithmetic number, because the mean of its divisors is an integer number (326562096).

Almost surely, 2^653124191 is an apocalyptic number.

653124191 is a deficient number, since it is larger than the sum of its proper divisors (1).

653124191 is an equidigital number, since it uses as much as digits as its factorization.

653124191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 653124191 is about 25556.2945475278. The cubic root of 653124191 is about 867.6247320419.

The spelling of 653124191 in words is "six hundred fifty-three million, one hundred twenty-four thousand, one hundred ninety-one".