2725901 has 4 divisors (see below), whose sum is σ = 2799612. Its totient is φ = 2652192.

The previous prime is 2725897. The next prime is 2725927. The reversal of 2725901 is 1095272.

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 2449225 + 276676 = 1565^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725901 - 2² = 2725897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725001) 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, 36800 + ... + 36873.

It is an arithmetic number, because the mean of its divisors is an integer number (699903).

2^2725901 is an apocalyptic number.

It is an amenable number.

2725901 is a deficient number, since it is larger than the sum of its proper divisors (73711).

2725901 is an equidigital number, since it uses as much as digits as its factorization.

2725901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73710.

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

The square root of 2725901 is about 1651.0302843982. The cubic root of 2725901 is about 139.6915146395.

The spelling of 2725901 in words is "two million, seven hundred twenty-five thousand, nine hundred one".