395857125 has 40 divisors (see below), whose sum is σ = 738013848. Its totient is φ = 211118400.

The previous prime is 395857109. The next prime is 395857169. The reversal of 395857125 is 521758593.

395857125 is a `hidden beast` number, since 3 + 9 + 58 + 571 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25948836 + 369908289 = 5094^2 + 19233^2 .

It is not a de Polignac number, because 395857125 - 2⁴ = 395857109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9424 + ... + 29673.

Almost surely, 2^395857125 is an apocalyptic number.

It is an amenable number.

395857125 is a deficient number, since it is larger than the sum of its proper divisors (342156723).

395857125 is an equidigital number, since it uses as much as digits as its factorization.

395857125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39124 (or 39105 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 395857125 is about 19896.1585488254. The cubic root of 395857125 is about 734.2537198241.

It can be divided in two parts, 39585 and 7125, that multiplied together give a triangular number (282043125 = T₂₃₇₅₀).

The spelling of 395857125 in words is "three hundred ninety-five million, eight hundred fifty-seven thousand, one hundred twenty-five".