395485451 has 2 divisors, whose sum is σ = 395485452. Its totient is φ = 395485450.

The previous prime is 395485429. The next prime is 395485469. The reversal of 395485451 is 154584593.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395485451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (395485411) 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, 197742725 + 197742726.

It is an arithmetic number, because the mean of its divisors is an integer number (197742726).

Almost surely, 2^395485451 is an apocalyptic number.

395485451 is a deficient number, since it is larger than the sum of its proper divisors (1).

395485451 is an equidigital number, since it uses as much as digits as its factorization.

395485451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 44.

The square root of 395485451 is about 19886.8160096080. The cubic root of 395485451 is about 734.0238486115.

The spelling of 395485451 in words is "three hundred ninety-five million, four hundred eighty-five thousand, four hundred fifty-one".