52091471 has 2 divisors, whose sum is σ = 52091472. Its totient is φ = 52091470.

The previous prime is 52091437. The next prime is 52091477. The reversal of 52091471 is 17419025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52091471 is a prime.

It is a super-3 number, since 3×52091471³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52091477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26045735 + 26045736.

It is an arithmetic number, because the mean of its divisors is an integer number (26045736).

Almost surely, 2^52091471 is an apocalyptic number.

52091471 is a deficient number, since it is larger than the sum of its proper divisors (1).

52091471 is an equidigital number, since it uses as much as digits as its factorization.

52091471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 52091471 is about 7217.4421369347. The cubic root of 52091471 is about 373.4698442285.

The spelling of 52091471 in words is "fifty-two million, ninety-one thousand, four hundred seventy-one".