395071601 has 2 divisors, whose sum is σ = 395071602. Its totient is φ = 395071600.

The previous prime is 395071583. The next prime is 395071603. The reversal of 395071601 is 106170593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225030001 + 170041600 = 15001^2 + 13040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395071601 is a prime.

Together with 395071603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (395071603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197535800 + 197535801.

It is an arithmetic number, because the mean of its divisors is an integer number (197535801).

Almost surely, 2^395071601 is an apocalyptic number.

It is an amenable number.

395071601 is a deficient number, since it is larger than the sum of its proper divisors (1).

395071601 is an equidigital number, since it uses as much as digits as its factorization.

395071601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 395071601 is about 19876.4081513738. The cubic root of 395071601 is about 733.7677230564.

The spelling of 395071601 in words is "three hundred ninety-five million, seventy-one thousand, six hundred one".