52340081 has 2 divisors, whose sum is σ = 52340082. Its totient is φ = 52340080.

The previous prime is 52340077. The next prime is 52340177. The reversal of 52340081 is 18004325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47389456 + 4950625 = 6884^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 52340081 - 2² = 52340077 is a prime.

It is a super-2 number, since 2×52340081² = 5478968158173122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52300081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26170040 + 26170041.

It is an arithmetic number, because the mean of its divisors is an integer number (26170041).

Almost surely, 2^52340081 is an apocalyptic number.

It is an amenable number.

52340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52340081 is an equidigital number, since it uses as much as digits as its factorization.

52340081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 52340081 is about 7234.6444971401. The cubic root of 52340081 is about 374.0630380745.

It can be divided in two parts, 523 and 40081, that added together give a palindrome (40604).

The spelling of 52340081 in words is "fifty-two million, three hundred forty thousand, eighty-one".