997325 has 24 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 662400.

The previous prime is 997319. The next prime is 997327. The reversal of 997325 is 523799.

It is not a de Polignac number, because 997325 - 2⁴ = 997309 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7106 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (60760).

2⁹⁹⁷³²⁵ is an apocalyptic number.

It is an amenable number.

997325 is a deficient number, since it is larger than the sum of its proper divisors (460915).

997325 is a wasteful number, since it uses less digits than its factorization.

997325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 192 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 997325 is about 998.6616043485. The cubic root of 997325 is about 99.9107537080.

The spelling of 997325 in words is "nine hundred ninety-seven thousand, three hundred twenty-five".