2152613 has 4 divisors (see below), whose sum is σ = 2174028. Its totient is φ = 2131200.

The previous prime is 2152607. The next prime is 2152621. The reversal of 2152613 is 3162512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1435204 + 717409 = 1198^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152613 - 2⁸ = 2152357 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 (2152663) 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, 10556 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (543507).

2^2152613 is an apocalyptic number.

It is an amenable number.

2152613 is a deficient number, since it is larger than the sum of its proper divisors (21415).

2152613 is a wasteful number, since it uses less digits than its factorization.

2152613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21414.

The product of its digits is 360, while the sum is 20.

The square root of 2152613 is about 1467.1785849037. The cubic root of 2152613 is about 129.1185537538.

The spelling of 2152613 in words is "two million, one hundred fifty-two thousand, six hundred thirteen".