2722537 has 4 divisors (see below), whose sum is σ = 2740036. Its totient is φ = 2705040.

The previous prime is 2722507. The next prime is 2722541. The reversal of 2722537 is 7352272.

2722537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1700416 + 1022121 = 1304^2 + 1011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722537 is a prime.

It is a Duffinian number.

2722537 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2722507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8514 + ... + 8827.

It is an arithmetic number, because the mean of its divisors is an integer number (685009).

2^2722537 is an apocalyptic number.

It is an amenable number.

2722537 is a deficient number, since it is larger than the sum of its proper divisors (17499).

2722537 is a wasteful number, since it uses less digits than its factorization.

2722537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498.

The product of its digits is 5880, while the sum is 28.

The square root of 2722537 is about 1650.0112120831. The cubic root of 2722537 is about 139.6340271401.

It can be divided in two parts, 272 and 2537, that added together give a square (2809 = 53²).

The spelling of 2722537 in words is "two million, seven hundred twenty-two thousand, five hundred thirty-seven".