52240469 has 2 divisors, whose sum is σ = 52240470. Its totient is φ = 52240468.

The previous prime is 52240427. The next prime is 52240471. The reversal of 52240469 is 96404225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 3659569 = 6970^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 52240469 - 2¹⁶ = 52174933 is a prime.

It is a super-2 number, since 2×52240469² = 5458133202679922, which contains 22 as substring.

Together with 52240471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52240499) 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, 26120234 + 26120235.

It is an arithmetic number, because the mean of its divisors is an integer number (26120235).

Almost surely, 2^52240469 is an apocalyptic number.

It is an amenable number.

52240469 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240469 is an equidigital number, since it uses as much as digits as its factorization.

52240469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 52240469 is about 7227.7568442775. The cubic root of 52240469 is about 373.8255856942.

The spelling of 52240469 in words is "fifty-two million, two hundred forty thousand, four hundred sixty-nine".