52270861 has 2 divisors, whose sum is σ = 52270862. Its totient is φ = 52270860.

The previous prime is 52270849. The next prime is 52270871. The reversal of 52270861 is 16807225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50324836 + 1946025 = 7094^2 + 1395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52270861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52270831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26135430 + 26135431.

It is an arithmetic number, because the mean of its divisors is an integer number (26135431).

Almost surely, 2^52270861 is an apocalyptic number.

It is an amenable number.

52270861 is a deficient number, since it is larger than the sum of its proper divisors (1).

52270861 is an equidigital number, since it uses as much as digits as its factorization.

52270861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 52270861 is about 7229.8589889430. The cubic root of 52270861 is about 373.8980652929.

The spelling of 52270861 in words is "fifty-two million, two hundred seventy thousand, eight hundred sixty-one".