5425909 has 2 divisors, whose sum is σ = 5425910. Its totient is φ = 5425908.

The previous prime is 5425879. The next prime is 5425943. The reversal of 5425909 is 9095245.

It is an a-pointer prime, because the next prime (5425943) can be obtained adding 5425909 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 34225 = 2322^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 5425909 - 2⁵ = 5425877 is a prime.

5425909 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5425709) 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, 2712954 + 2712955.

It is an arithmetic number, because the mean of its divisors is an integer number (2712955).

Almost surely, 2^5425909 is an apocalyptic number.

It is an amenable number.

5425909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5425909 is an equidigital number, since it uses as much as digits as its factorization.

5425909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 5425909 is about 2329.3580660774. The cubic root of 5425909 is about 175.7212033133.

The spelling of 5425909 in words is "five million, four hundred twenty-five thousand, nine hundred nine".