52212071 has 2 divisors, whose sum is σ = 52212072. Its totient is φ = 52212070.

The previous prime is 52212067. The next prime is 52212073. The reversal of 52212071 is 17021225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52212071 - 2² = 52212067 is a prime.

It is a super-2 number, since 2×52212071² = 5452200716218082, which contains 22 as substring.

Together with 52212073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52212073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26106035 + 26106036.

It is an arithmetic number, because the mean of its divisors is an integer number (26106036).

Almost surely, 2^52212071 is an apocalyptic number.

52212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

52212071 is an equidigital number, since it uses as much as digits as its factorization.

52212071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 52212071 is about 7225.7920673100. The cubic root of 52212071 is about 373.7578360270.

Adding to 52212071 its reverse (17021225), we get a palindrome (69233296).

The spelling of 52212071 in words is "fifty-two million, two hundred twelve thousand, seventy-one".