197001953 has 2 divisors, whose sum is σ = 197001954. Its totient is φ = 197001952.

The previous prime is 197001947. The next prime is 197001971. The reversal of 197001953 is 359100791.

197001953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122058304 + 74943649 = 11048^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 197001953 - 2¹⁶ = 196936417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197001943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98500976 + 98500977.

It is an arithmetic number, because the mean of its divisors is an integer number (98500977).

Almost surely, 2^197001953 is an apocalyptic number.

It is an amenable number.

197001953 is a deficient number, since it is larger than the sum of its proper divisors (1).

197001953 is an equidigital number, since it uses as much as digits as its factorization.

197001953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 197001953 is about 14035.7384201901. The cubic root of 197001953 is about 581.8667095554.

The spelling of 197001953 in words is "one hundred ninety-seven million, one thousand, nine hundred fifty-three".