196953157 has 2 divisors, whose sum is σ = 196953158. Its totient is φ = 196953156.

The previous prime is 196953139. The next prime is 196953167. The reversal of 196953157 is 751359691.

196953157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 14034²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196953156 + 1 = 14034^2 + 1^2 .

It is an emirp because it is prime and its reverse (751359691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196953157 - 2²³ = 188564549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196953167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98476578 + 98476579.

It is an arithmetic number, because the mean of its divisors is an integer number (98476579).

Almost surely, 2^196953157 is an apocalyptic number.

It is an amenable number.

196953157 is a deficient number, since it is larger than the sum of its proper divisors (1).

196953157 is an equidigital number, since it uses as much as digits as its factorization.

196953157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 46.

The square root of 196953157 is about 14034.0000356278. Note that the first 4 decimals coincide. The cubic root of 196953157 is about 581.8186641561.

The spelling of 196953157 in words is "one hundred ninety-six million, nine hundred fifty-three thousand, one hundred fifty-seven".