4925209 has 2 divisors, whose sum is σ = 4925210. Its totient is φ = 4925208.

The previous prime is 4925183. The next prime is 4925213. The reversal of 4925209 is 9025294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 632025 = 2072^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4925209 - 2⁹ = 4924697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4925299) 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, 2462604 + 2462605.

It is an arithmetic number, because the mean of its divisors is an integer number (2462605).

Almost surely, 2^4925209 is an apocalyptic number.

It is an amenable number.

4925209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4925209 is an equidigital number, since it uses as much as digits as its factorization.

4925209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4925209 is about 2219.2811899352. The cubic root of 4925209 is about 170.1407024297.

The spelling of 4925209 in words is "four million, nine hundred twenty-five thousand, two hundred nine".