52699289 has 2 divisors, whose sum is σ = 52699290. Its totient is φ = 52699288.

The previous prime is 52699277. The next prime is 52699291. The reversal of 52699289 is 98299625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 2175625 = 7108^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 52699289 - 2¹² = 52695193 is a prime.

It is a super-2 number, since 2×52699289² = 5554430122211042, which contains 22 as substring.

Together with 52699291, 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 (52699219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26349644 + 26349645.

It is an arithmetic number, because the mean of its divisors is an integer number (26349645).

Almost surely, 2^52699289 is an apocalyptic number.

It is an amenable number.

52699289 is a deficient number, since it is larger than the sum of its proper divisors (1).

52699289 is an equidigital number, since it uses as much as digits as its factorization.

52699289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 52699289 is about 7259.4275945146. The cubic root of 52699289 is about 374.9168147338.

The spelling of 52699289 in words is "fifty-two million, six hundred ninety-nine thousand, two hundred eighty-nine".