52232009 has 2 divisors, whose sum is σ = 52232010. Its totient is φ = 52232008.

The previous prime is 52232003. The next prime is 52232017. The reversal of 52232009 is 90023225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49392784 + 2839225 = 7028^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52232009 is a prime.

It is not a weakly prime, because it can be changed into another prime (52232003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26116004 + 26116005.

It is an arithmetic number, because the mean of its divisors is an integer number (26116005).

Almost surely, 2^52232009 is an apocalyptic number.

It is an amenable number.

52232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

52232009 is an equidigital number, since it uses as much as digits as its factorization.

52232009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 52232009 is about 7227.1715767650. The cubic root of 52232009 is about 373.8054050740.

The spelling of 52232009 in words is "fifty-two million, two hundred thirty-two thousand, nine".