52409971 has 2 divisors, whose sum is σ = 52409972. Its totient is φ = 52409970.

The previous prime is 52409969. The next prime is 52409983. The reversal of 52409971 is 17990425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52409971 - 2¹ = 52409969 is a prime.

Together with 52409969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52409971.

It is not a weakly prime, because it can be changed into another prime (52409941) 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, 26204985 + 26204986.

It is an arithmetic number, because the mean of its divisors is an integer number (26204986).

Almost surely, 2^52409971 is an apocalyptic number.

52409971 is a deficient number, since it is larger than the sum of its proper divisors (1).

52409971 is an equidigital number, since it uses as much as digits as its factorization.

52409971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 52409971 is about 7239.4731161874. The cubic root of 52409971 is about 374.2294601705.

The spelling of 52409971 in words is "fifty-two million, four hundred nine thousand, nine hundred seventy-one".