2721059 has 4 divisors (see below), whose sum is σ = 2968440. Its totient is φ = 2473680.

The previous prime is 2721053. The next prime is 2721067. The reversal of 2721059 is 9501272.

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

It is a de Polignac number, because none of the positive numbers 2^k-2721059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2721053) 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, 123674 + ... + 123695.

It is an arithmetic number, because the mean of its divisors is an integer number (742110).

2^2721059 is an apocalyptic number.

2721059 is a deficient number, since it is larger than the sum of its proper divisors (247381).

2721059 is a wasteful number, since it uses less digits than its factorization.

2721059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247380.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2721059 is about 1649.5632755369. The cubic root of 2721059 is about 139.6087545789.

It can be divided in two parts, 272 and 1059, that added together give a palindrome (1331).

The spelling of 2721059 in words is "two million, seven hundred twenty-one thousand, fifty-nine".