975479 has 4 divisors (see below), whose sum is σ = 1026840. Its totient is φ = 924120.

The previous prime is 975463. The next prime is 975493. The reversal of 975479 is 974579.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974579 = 23 ⋅42373.

It is a cyclic number.

It is not a de Polignac number, because 975479 - 2⁴ = 975463 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 (975439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25652 + ... + 25689.

It is an arithmetic number, because the mean of its divisors is an integer number (256710).

2⁹⁷⁵⁴⁷⁹ is an apocalyptic number.

975479 is a deficient number, since it is larger than the sum of its proper divisors (51361).

975479 is a wasteful number, since it uses less digits than its factorization.

975479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51360.

The product of its digits is 79380, while the sum is 41.

The square root of 975479 is about 987.6634042021. The cubic root of 975479 is about 99.1758599234.

Subtracting from 975479 its reverse (974579), we obtain a square (900 = 30²).

The spelling of 975479 in words is "nine hundred seventy-five thousand, four hundred seventy-nine".