52105129 has 2 divisors, whose sum is σ = 52105130. Its totient is φ = 52105128.

The previous prime is 52105127. The next prime is 52105147. The reversal of 52105129 is 92150125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 11209104 = 6395^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 52105129 - 2¹ = 52105127 is a prime.

Together with 52105127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52105127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052564 + 26052565.

It is an arithmetic number, because the mean of its divisors is an integer number (26052565).

Almost surely, 2^52105129 is an apocalyptic number.

It is an amenable number.

52105129 is a deficient number, since it is larger than the sum of its proper divisors (1).

52105129 is an equidigital number, since it uses as much as digits as its factorization.

52105129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 52105129 is about 7218.3882550054. The cubic root of 52105129 is about 373.5024817236.

The spelling of 52105129 in words is "fifty-two million, one hundred five thousand, one hundred twenty-nine".