52123081 has 2 divisors, whose sum is σ = 52123082. Its totient is φ = 52123080.

The previous prime is 52123079. The next prime is 52123091. The reversal of 52123081 is 18032125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 23863225 = 5316^2 + 4885^2 .

It is a cyclic number.

It is not a de Polignac number, because 52123081 - 2¹ = 52123079 is a prime.

It is a super-2 number, since 2×52123081² = 5433631145865122, which contains 22 as substring.

Together with 52123079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52123021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26061540 + 26061541.

It is an arithmetic number, because the mean of its divisors is an integer number (26061541).

Almost surely, 2^52123081 is an apocalyptic number.

It is an amenable number.

52123081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52123081 is an equidigital number, since it uses as much as digits as its factorization.

52123081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52123081 is about 7219.6316388026. The cubic root of 52123081 is about 373.5453715938.

The spelling of 52123081 in words is "fifty-two million, one hundred twenty-three thousand, eighty-one".