2725517 has 2 divisors, whose sum is σ = 2725518. Its totient is φ = 2725516.

The previous prime is 2725501. The next prime is 2725519. The reversal of 2725517 is 7155272.

2725517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 1012036 = 1309^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725517 - 2⁴ = 2725501 is a prime.

Together with 2725519, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2725517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2725519) 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 as a sum of consecutive naturals, namely, 1362758 + 1362759.

It is an arithmetic number, because the mean of its divisors is an integer number (1362759).

2^2725517 is an apocalyptic number.

It is an amenable number.

2725517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725517 is an equidigital number, since it uses as much as digits as its factorization.

2725517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 29.

The square root of 2725517 is about 1650.9139892799. The cubic root of 2725517 is about 139.6849548439.

It can be divided in two parts, 27255 and 17, that added together give a palindrome (27272).

The spelling of 2725517 in words is "two million, seven hundred twenty-five thousand, five hundred seventeen".