52240871 has 2 divisors, whose sum is σ = 52240872. Its totient is φ = 52240870.

The previous prime is 52240841. The next prime is 52240873. The reversal of 52240871 is 17804225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52240871 is a prime.

Together with 52240873, 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 (52240873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26120435 + 26120436.

It is an arithmetic number, because the mean of its divisors is an integer number (26120436).

Almost surely, 2^52240871 is an apocalyptic number.

52240871 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240871 is an equidigital number, since it uses as much as digits as its factorization.

52240871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 52240871 is about 7227.7846536819. The cubic root of 52240871 is about 373.8265445772.

The spelling of 52240871 in words is "fifty-two million, two hundred forty thousand, eight hundred seventy-one".