2725369 has 2 divisors, whose sum is σ = 2725370. Its totient is φ = 2725368.

The previous prime is 2725367. The next prime is 2725433. The reversal of 2725369 is 9635272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 511225 = 1488^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725369 - 2¹ = 2725367 is a prime.

It is a super-2 number, since 2×2725369² = 14855272372322, which contains 22 as substring.

Together with 2725367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2725361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362684 + 1362685.

It is an arithmetic number, because the mean of its divisors is an integer number (1362685).

2^2725369 is an apocalyptic number.

It is an amenable number.

2725369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725369 is an equidigital number, since it uses as much as digits as its factorization.

2725369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 2725369 is about 1650.8691650158. The cubic root of 2725369 is about 139.6824264248.

Subtracting 2725369 from its reverse (9635272), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2725369 in words is "two million, seven hundred twenty-five thousand, three hundred sixty-nine".