2920613 has 4 divisors (see below), whose sum is σ = 2924268. Its totient is φ = 2916960.

The previous prime is 2920591. The next prime is 2920633. The reversal of 2920613 is 3160292.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 465124 = 1567^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920613 - 2¹⁰ = 2919589 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 (2920633) 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, 56 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (731067).

2^2920613 is an apocalyptic number.

It is an amenable number.

2920613 is a deficient number, since it is larger than the sum of its proper divisors (3655).

2920613 is a wasteful number, since it uses less digits than its factorization.

2920613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2920613 is about 1708.9801052090. The cubic root of 2920613 is about 142.9413912105.

The spelling of 2920613 in words is "two million, nine hundred twenty thousand, six hundred thirteen".