397416325 has 6 divisors (see below), whose sum is σ = 492796274. Its totient is φ = 317933040.

The previous prime is 397416317. The next prime is 397416347. The reversal of 397416325 is 523614793.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 140968129 + 256448196 = 11873^2 + 16014^2 .

It is not a de Polignac number, because 397416325 - 2³ = 397416317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7948302 + ... + 7948351.

Almost surely, 2^397416325 is an apocalyptic number.

It is an amenable number.

397416325 is a deficient number, since it is larger than the sum of its proper divisors (95379949).

397416325 is a wasteful number, since it uses less digits than its factorization.

397416325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15896663 (or 15896658 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 397416325 is about 19935.3034840205. The cubic root of 397416325 is about 735.2164818078.

The spelling of 397416325 in words is "three hundred ninety-seven million, four hundred sixteen thousand, three hundred twenty-five".