395197151 has 2 divisors, whose sum is σ = 395197152. Its totient is φ = 395197150.

The previous prime is 395197087. The next prime is 395197171. The reversal of 395197151 is 151791593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395197151 - 2⁶ = 395197087 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 395197099 and 395197108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395197171) 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, 197598575 + 197598576.

It is an arithmetic number, because the mean of its divisors is an integer number (197598576).

Almost surely, 2^395197151 is an apocalyptic number.

395197151 is a deficient number, since it is larger than the sum of its proper divisors (1).

395197151 is an equidigital number, since it uses as much as digits as its factorization.

395197151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 41.

The square root of 395197151 is about 19879.5661672985. The cubic root of 395197151 is about 733.8454429603.

The spelling of 395197151 in words is "three hundred ninety-five million, one hundred ninety-seven thousand, one hundred fifty-one".