2976565 has 4 divisors (see below), whose sum is σ = 3571884. Its totient is φ = 2381248.

The previous prime is 2976553. The next prime is 2976569. The reversal of 2976565 is 5656792.

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 1633284 + 1343281 = 1278^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2976565 - 2⁷ = 2976437 is a prime.

It is a Duffinian number.

2976565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2976569) 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, 297652 + ... + 297661.

It is an arithmetic number, because the mean of its divisors is an integer number (892971).

2^2976565 is an apocalyptic number.

It is an amenable number.

2976565 is a deficient number, since it is larger than the sum of its proper divisors (595319).

2976565 is an equidigital number, since it uses as much as digits as its factorization.

2976565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595318.

The product of its digits is 113400, while the sum is 40.

The square root of 2976565 is about 1725.2724422537. The cubic root of 2976565 is about 143.8484291221.

The spelling of 2976565 in words is "two million, nine hundred seventy-six thousand, five hundred sixty-five".