53025209 has 2 divisors, whose sum is σ = 53025210. Its totient is φ = 53025208.

The previous prime is 53025197. The next prime is 53025233. The reversal of 53025209 is 90252035.

53025209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 896809 = 7220^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 53025209 - 2²⁴ = 36247993 is a prime.

It is a Chen prime.

It is equal to p_3171446 and since 53025209 and 3171446 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53025239) 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, 26512604 + 26512605.

It is an arithmetic number, because the mean of its divisors is an integer number (26512605).

Almost surely, 2^53025209 is an apocalyptic number.

It is an amenable number.

53025209 is a deficient number, since it is larger than the sum of its proper divisors (1).

53025209 is an equidigital number, since it uses as much as digits as its factorization.

53025209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 53025209 is about 7281.8410446809. The cubic root of 53025209 is about 375.6881208299.

The spelling of 53025209 in words is "fifty-three million, twenty-five thousand, two hundred nine".