397324925 has 24 divisors (see below), whose sum is σ = 500771520. Its totient is φ = 312681600.

The previous prime is 397324909. The next prime is 397324933. The reversal of 397324925 is 529423793.

It is not a de Polignac number, because 397324925 - 2⁴ = 397324909 is a prime.

Its product of digits (408240) is a multiple of the sum of its prime divisors (1008).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629360 + ... + 629990.

It is an arithmetic number, because the mean of its divisors is an integer number (20865480).

Almost surely, 2^397324925 is an apocalyptic number.

It is an amenable number.

397324925 is a deficient number, since it is larger than the sum of its proper divisors (103446595).

397324925 is a wasteful number, since it uses less digits than its factorization.

397324925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 397324925 is about 19933.0109366347. The cubic root of 397324925 is about 735.1601144382.

The spelling of 397324925 in words is "three hundred ninety-seven million, three hundred twenty-four thousand, nine hundred twenty-five".