5725409 has 2 divisors, whose sum is σ = 5725410. Its totient is φ = 5725408.

The previous prime is 5725393. The next prime is 5725439. The reversal of 5725409 is 9045275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 61009 = 2380^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 5725409 - 2⁴ = 5725393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5725439) 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, 2862704 + 2862705.

It is an arithmetic number, because the mean of its divisors is an integer number (2862705).

Almost surely, 2^5725409 is an apocalyptic number.

It is an amenable number.

5725409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5725409 is an equidigital number, since it uses as much as digits as its factorization.

5725409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5725409 is about 2392.7826896733. The cubic root of 5725409 is about 178.8966351825.

The spelling of 5725409 in words is "five million, seven hundred twenty-five thousand, four hundred nine".