397625 has 8 divisors (see below), whose sum is σ = 496392. Its totient is φ = 318000.

The previous prime is 397597. The next prime is 397633. The reversal of 397625 is 526793.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 316969 = 284^2 + 563^2 .

It is not a de Polignac number, because 397625 - 2¹⁰ = 396601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 397591 and 397600.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (62049).

2³⁹⁷⁶²⁵ is an apocalyptic number.

It is an amenable number.

397625 is a deficient number, since it is larger than the sum of its proper divisors (98767).

397625 is an equidigital number, since it uses as much as digits as its factorization.

397625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3186 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 397625 is about 630.5751343020. The cubic root of 397625 is about 73.5345141557.

The spelling of 397625 in words is "three hundred ninety-seven thousand, six hundred twenty-five".