2973613 has 4 divisors (see below), whose sum is σ = 3069568. Its totient is φ = 2877660.

The previous prime is 2973611. The next prime is 2973617. The reversal of 2973613 is 3163792.

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 2973613 - 2¹ = 2973611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 95923 = 2973613 / (2 + 9 + 7 + 3 + 6 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973611) 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, 47931 + ... + 47992.

It is an arithmetic number, because the mean of its divisors is an integer number (767392).

2^2973613 is an apocalyptic number.

It is an amenable number.

2973613 is a deficient number, since it is larger than the sum of its proper divisors (95955).

2973613 is an equidigital number, since it uses as much as digits as its factorization.

2973613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95954.

The product of its digits is 6804, while the sum is 31.

The square root of 2973613 is about 1724.4167129786. The cubic root of 2973613 is about 143.8008596342.

The spelling of 2973613 in words is "two million, nine hundred seventy-three thousand, six hundred thirteen".