52277231 has 2 divisors, whose sum is σ = 52277232. Its totient is φ = 52277230.

The previous prime is 52277213. The next prime is 52277237. The reversal of 52277231 is 13277225.

Together with previous prime (52277213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52277231 is a prime.

It is a super-2 number, since 2×52277231² = 5465817762054722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52277194 and 52277203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52277237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26138615 + 26138616.

It is an arithmetic number, because the mean of its divisors is an integer number (26138616).

Almost surely, 2^52277231 is an apocalyptic number.

52277231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52277231 is an equidigital number, since it uses as much as digits as its factorization.

52277231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 52277231 is about 7230.2995097022. The cubic root of 52277231 is about 373.9132530660.

The spelling of 52277231 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred thirty-one".