973613 has 4 divisors (see below), whose sum is σ = 1015968. Its totient is φ = 931260.

The previous prime is 973597. The next prime is 973631. The reversal of 973613 is 316379.

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, and also an emirpimes, since its reverse is a distinct semiprime: 316379 = 7 ⋅45197.

It is a cyclic number.

It is not a de Polignac number, because 973613 - 2⁴ = 973597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 973613.

It is not an unprimeable number, because it can be changed into a prime (973213) 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, 21143 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (253992).

2⁹⁷³⁶¹³ is an apocalyptic number.

It is an amenable number.

973613 is a deficient number, since it is larger than the sum of its proper divisors (42355).

973613 is a wasteful number, since it uses less digits than its factorization.

973613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42354.

The product of its digits is 3402, while the sum is 29.

The square root of 973613 is about 986.7182981986. The cubic root of 973613 is about 99.1125815127.

The spelling of 973613 in words is "nine hundred seventy-three thousand, six hundred thirteen".