52240427 has 2 divisors, whose sum is σ = 52240428. Its totient is φ = 52240426.

The previous prime is 52240421. The next prime is 52240469. The reversal of 52240427 is 72404225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52240427 - 2²⁰ = 51191851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52240396 and 52240405.

It is not a weakly prime, because it can be changed into another prime (52240421) 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, 26120213 + 26120214.

It is an arithmetic number, because the mean of its divisors is an integer number (26120214).

Almost surely, 2^52240427 is an apocalyptic number.

52240427 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240427 is an equidigital number, since it uses as much as digits as its factorization.

52240427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 52240427 is about 7227.7539388111. The cubic root of 52240427 is about 373.8254855121.

The spelling of 52240427 in words is "fifty-two million, two hundred forty thousand, four hundred twenty-seven".