395731725 has 12 divisors (see below), whose sum is σ = 654276576. Its totient is φ = 211056880.

The previous prime is 395731723. The next prime is 395731741. The reversal of 395731725 is 527137593.

It is not a de Polignac number, because 395731725 - 2¹ = 395731723 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395731723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2638137 + ... + 2638286.

It is an arithmetic number, because the mean of its divisors is an integer number (54523048).

Almost surely, 2^395731725 is an apocalyptic number.

It is an amenable number.

395731725 is a deficient number, since it is larger than the sum of its proper divisors (258544851).

395731725 is a wasteful number, since it uses less digits than its factorization.

395731725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276436 (or 5276431 counting only the distinct ones).

The product of its digits is 198450, while the sum is 42.

The square root of 395731725 is about 19893.0069371123. The cubic root of 395731725 is about 734.1761791030.

The spelling of 395731725 in words is "three hundred ninety-five million, seven hundred thirty-one thousand, seven hundred twenty-five".