52266257 has 2 divisors, whose sum is σ = 52266258. Its totient is φ = 52266256.

The previous prime is 52266233. The next prime is 52266259. The reversal of 52266257 is 75266225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 5494336 = 6839^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 52266257 - 2⁸ = 52266001 is a prime.

Together with 52266259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52266259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26133128 + 26133129.

It is an arithmetic number, because the mean of its divisors is an integer number (26133129).

Almost surely, 2^52266257 is an apocalyptic number.

It is an amenable number.

52266257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52266257 is an equidigital number, since it uses as much as digits as its factorization.

52266257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 52266257 is about 7229.5405801475. The cubic root of 52266257 is about 373.8870873649.

The spelling of 52266257 in words is "fifty-two million, two hundred sixty-six thousand, two hundred fifty-seven".