395825687 has 2 divisors, whose sum is σ = 395825688. Its totient is φ = 395825686.

The previous prime is 395825641. The next prime is 395825693. The reversal of 395825687 is 786528593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395825687 - 2⁸ = 395825431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395825627) 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, 197912843 + 197912844.

It is an arithmetic number, because the mean of its divisors is an integer number (197912844).

Almost surely, 2^395825687 is an apocalyptic number.

395825687 is a deficient number, since it is larger than the sum of its proper divisors (1).

395825687 is an equidigital number, since it uses as much as digits as its factorization.

395825687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 395825687 is about 19895.3684811315. The cubic root of 395825687 is about 734.2342817676.

The spelling of 395825687 in words is "three hundred ninety-five million, eight hundred twenty-five thousand, six hundred eighty-seven".