52686269 has 2 divisors, whose sum is σ = 52686270. Its totient is φ = 52686268.

The previous prime is 52686253. The next prime is 52686287. The reversal of 52686269 is 96268625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 16240900 = 6037^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 52686269 - 2⁴ = 52686253 is a prime.

It is a super-2 number, since 2×52686269² = 5551685882280722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52686209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26343134 + 26343135.

It is an arithmetic number, because the mean of its divisors is an integer number (26343135).

Almost surely, 2^52686269 is an apocalyptic number.

It is an amenable number.

52686269 is a deficient number, since it is larger than the sum of its proper divisors (1).

52686269 is an equidigital number, since it uses as much as digits as its factorization.

52686269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 52686269 is about 7258.5307741994. The cubic root of 52686269 is about 374.8859362717.

The spelling of 52686269 in words is "fifty-two million, six hundred eighty-six thousand, two hundred sixty-nine".