52106869 has 2 divisors, whose sum is σ = 52106870. Its totient is φ = 52106868.

The previous prime is 52106867. The next prime is 52106893. The reversal of 52106869 is 96860125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 2235025 = 7062^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 52106869 - 2¹ = 52106867 is a prime.

It is a super-2 number, since 2×52106869² = 5430251593966322, which contains 22 as substring.

Together with 52106867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52106863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26053434 + 26053435.

It is an arithmetic number, because the mean of its divisors is an integer number (26053435).

Almost surely, 2^52106869 is an apocalyptic number.

It is an amenable number.

52106869 is a deficient number, since it is larger than the sum of its proper divisors (1).

52106869 is an equidigital number, since it uses as much as digits as its factorization.

52106869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 52106869 is about 7218.5087795195. The cubic root of 52106869 is about 373.5066392612.

It can be divided in two parts, 52106 and 869, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 52106869 in words is "fifty-two million, one hundred six thousand, eight hundred sixty-nine".