975397 has 4 divisors (see below), whose sum is σ = 979020. Its totient is φ = 971776.

The previous prime is 975389. The next prime is 975421. The reversal of 975397 is 793579.

975397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793579 = 401 ⋅1979.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 279841 = 834^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 975397 - 2³ = 975389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372 + ... + 1957.

It is an arithmetic number, because the mean of its divisors is an integer number (244755).

2⁹⁷⁵³⁹⁷ is an apocalyptic number.

It is an amenable number.

975397 is a deficient number, since it is larger than the sum of its proper divisors (3623).

975397 is a wasteful number, since it uses less digits than its factorization.

975397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622.

The product of its digits is 59535, while the sum is 40.

The square root of 975397 is about 987.6218912114. The cubic root of 975397 is about 99.1730808961.

The spelling of 975397 in words is "nine hundred seventy-five thousand, three hundred ninety-seven".