973553 has 4 divisors (see below), whose sum is σ = 1112640. Its totient is φ = 834468.

The previous prime is 973547. The next prime is 973561. The reversal of 973553 is 355379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 973553 - 2⁴ = 973537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (973523) 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, 69533 + ... + 69546.

It is an arithmetic number, because the mean of its divisors is an integer number (278160).

2⁹⁷³⁵⁵³ is an apocalyptic number.

It is an amenable number.

973553 is a deficient number, since it is larger than the sum of its proper divisors (139087).

973553 is a wasteful number, since it uses less digits than its factorization.

973553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139086.

The product of its digits is 14175, while the sum is 32.

The square root of 973553 is about 986.6878939158. The cubic root of 973553 is about 99.1105454960.

The spelling of 973553 in words is "nine hundred seventy-three thousand, five hundred fifty-three".