395355161 has 2 divisors, whose sum is σ = 395355162. Its totient is φ = 395355160.

The previous prime is 395355151. The next prime is 395355199. The reversal of 395355161 is 161553593.

It is an a-pointer prime, because the next prime (395355199) can be obtained adding 395355161 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208513600 + 186841561 = 14440^2 + 13669^2 .

It is a cyclic number.

It is not a de Polignac number, because 395355161 - 2²² = 391160857 is a prime.

It is not a weakly prime, because it can be changed into another prime (395355151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197677580 + 197677581.

It is an arithmetic number, because the mean of its divisors is an integer number (197677581).

Almost surely, 2^395355161 is an apocalyptic number.

It is an amenable number.

395355161 is a deficient number, since it is larger than the sum of its proper divisors (1).

395355161 is an equidigital number, since it uses as much as digits as its factorization.

395355161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 38.

The square root of 395355161 is about 19883.5399514272. The cubic root of 395355161 is about 733.9432333650.

The spelling of 395355161 in words is "three hundred ninety-five million, three hundred fifty-five thousand, one hundred sixty-one".