395496181 has 2 divisors, whose sum is σ = 395496182. Its totient is φ = 395496180.

The previous prime is 395496169. The next prime is 395496193. The reversal of 395496181 is 181694593.

It is a balanced prime because it is at equal distance from previous prime (395496169) and next prime (395496193).

It can be written as a sum of positive squares in only one way, i.e., 240095025 + 155401156 = 15495^2 + 12466^2 .

It is a cyclic number.

It is not a de Polignac number, because 395496181 - 2⁹ = 395495669 is a prime.

It is a super-2 number, since 2×395496181² = 312834458371169522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395496281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197748090 + 197748091.

It is an arithmetic number, because the mean of its divisors is an integer number (197748091).

Almost surely, 2^395496181 is an apocalyptic number.

It is an amenable number.

395496181 is a deficient number, since it is larger than the sum of its proper divisors (1).

395496181 is an equidigital number, since it uses as much as digits as its factorization.

395496181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 395496181 is about 19887.0857844984. The cubic root of 395496181 is about 734.0304868706.

The spelling of 395496181 in words is "three hundred ninety-five million, four hundred ninety-six thousand, one hundred eighty-one".