2725091 has 8 divisors (see below), whose sum is σ = 2802960. Its totient is φ = 2648448.

The previous prime is 2725057. The next prime is 2725127. The reversal of 2725091 is 1905272.

2725091 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 a cyclic number.

It is not a de Polignac number, because 2725091 - 2⁶ = 2725027 is a prime.

It is a super-2 number, since 2×2725091² = 14852241916562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725091.

It is not an unprimeable number, because it can be changed into a prime (2725001) 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, 5735 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (350370).

2^2725091 is an apocalyptic number.

2725091 is a deficient number, since it is larger than the sum of its proper divisors (77869).

2725091 is an equidigital number, since it uses as much as digits as its factorization.

2725091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

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

The square root of 2725091 is about 1650.7849647971. The cubic root of 2725091 is about 139.6776768496.

The spelling of 2725091 in words is "two million, seven hundred twenty-five thousand, ninety-one".