395725571 has 8 divisors (see below), whose sum is σ = 417183744. Its totient is φ = 374810760.

The previous prime is 395725553. The next prime is 395725573. The reversal of 395725571 is 175527593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395725571 - 2¹⁰ = 395724547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395725573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134345 + ... + 137258.

It is an arithmetic number, because the mean of its divisors is an integer number (52147968).

Almost surely, 2^395725571 is an apocalyptic number.

395725571 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

395725571 is a deficient number, since it is larger than the sum of its proper divisors (21458173).

395725571 is a wasteful number, since it uses less digits than its factorization.

395725571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271681.

The product of its digits is 330750, while the sum is 44.

The square root of 395725571 is about 19892.8522590402. The cubic root of 395725571 is about 734.1723733736.

The spelling of 395725571 in words is "three hundred ninety-five million, seven hundred twenty-five thousand, five hundred seventy-one".