395487425 has 12 divisors (see below), whose sum is σ = 494906940. Its totient is φ = 313485120.

The previous prime is 395487403. The next prime is 395487481. The reversal of 395487425 is 524784593.

It can be written as a sum of positive squares in 6 ways, for example, as 16679056 + 378808369 = 4084^2 + 19463^2 .

It is a de Polignac number, because none of the positive numbers 2^k-395487425 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 395487425.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 69842 + ... + 75291.

It is an arithmetic number, because the mean of its divisors is an integer number (41242245).

Almost surely, 2^395487425 is an apocalyptic number.

It is an amenable number.

395487425 is a deficient number, since it is larger than the sum of its proper divisors (99419515).

395487425 is a wasteful number, since it uses less digits than its factorization.

395487425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145252 (or 145247 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 395487425 is about 19886.8656404170. The cubic root of 395487425 is about 734.0250698622.

The spelling of 395487425 in words is "three hundred ninety-five million, four hundred eighty-seven thousand, four hundred twenty-five".