2725261 has 8 divisors (see below), whose sum is σ = 3397824. Its totient is φ = 2123520.

The previous prime is 2725259. The next prime is 2725267. The reversal of 2725261 is 1625272.

2725261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2725261 - 2¹ = 2725259 is a prime.

It is a Duffinian number.

2725261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725267) 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 7 ways as a sum of consecutive naturals, for example, 17620 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (424728).

2^2725261 is an apocalyptic number.

It is an amenable number.

2725261 is a deficient number, since it is larger than the sum of its proper divisors (672563).

2725261 is a wasteful number, since it uses less digits than its factorization.

2725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35411.

The product of its digits is 1680, while the sum is 25.

The square root of 2725261 is about 1650.8364546496. The cubic root of 2725261 is about 139.6805813045.

The spelling of 2725261 in words is "two million, seven hundred twenty-five thousand, two hundred sixty-one".