2725997 has 2 divisors, whose sum is σ = 2725998. Its totient is φ = 2725996.

The previous prime is 2725963. The next prime is 2726023. The reversal of 2725997 is 7995272.

It is a happy number.

2725997 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., 2725801 + 196 = 1651^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725997 - 2¹⁶ = 2660461 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 7³ + 2²¹ + 5⁷ + 9² + 9⁶ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2725927) 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, 1362998 + 1362999.

It is an arithmetic number, because the mean of its divisors is an integer number (1362999).

2^2725997 is an apocalyptic number.

It is an amenable number.

2725997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725997 is an equidigital number, since it uses as much as digits as its factorization.

2725997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 2725997 is about 1651.0593568979. The cubic root of 2725997 is about 139.6931544922.

The spelling of 2725997 in words is "two million, seven hundred twenty-five thousand, nine hundred ninety-seven".