52452109 has 2 divisors, whose sum is σ = 52452110. Its totient is φ = 52452108.

The previous prime is 52452091. The next prime is 52452137. The reversal of 52452109 is 90125425.

Together with previous prime (52452091) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (52452137) can be obtained adding 52452109 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50722884 + 1729225 = 7122^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 52452109 - 2⁵ = 52452077 is a prime.

It is a Chen prime.

It is equal to p_3139237 and since 52452109 and 3139237 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52452409) 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, 26226054 + 26226055.

It is an arithmetic number, because the mean of its divisors is an integer number (26226055).

Almost surely, 2^52452109 is an apocalyptic number.

It is an amenable number.

52452109 is a deficient number, since it is larger than the sum of its proper divisors (1).

52452109 is an equidigital number, since it uses as much as digits as its factorization.

52452109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 52452109 is about 7242.3828261146. The cubic root of 52452109 is about 374.3297277110.

The spelling of 52452109 in words is "fifty-two million, four hundred fifty-two thousand, one hundred nine".