52009207 has 2 divisors, whose sum is σ = 52009208. Its totient is φ = 52009206.

The previous prime is 52009193. The next prime is 52009249. The reversal of 52009207 is 70290025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52009207 - 2⁷ = 52009079 is a prime.

It is a super-2 number, since 2×52009207² = 5409915225537698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52009277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26004603 + 26004604.

It is an arithmetic number, because the mean of its divisors is an integer number (26004604).

Almost surely, 2^52009207 is an apocalyptic number.

52009207 is a deficient number, since it is larger than the sum of its proper divisors (1).

52009207 is an equidigital number, since it uses as much as digits as its factorization.

52009207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52009207 is about 7211.7409132608. The cubic root of 52009207 is about 373.2731433754.

The spelling of 52009207 in words is "fifty-two million, nine thousand, two hundred seven".