52070471 has 4 divisors (see below), whose sum is σ = 52158000. Its totient is φ = 51982944.

The previous prime is 52070467. The next prime is 52070489. The reversal of 52070471 is 17407025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52070471 - 2² = 52070467 is a prime.

It is a super-3 number, since 3×52070471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52070471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070441) 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 in 3 ways as a sum of consecutive naturals, for example, 42866 + ... + 44063.

It is an arithmetic number, because the mean of its divisors is an integer number (13039500).

Almost surely, 2^52070471 is an apocalyptic number.

52070471 is a deficient number, since it is larger than the sum of its proper divisors (87529).

52070471 is an equidigital number, since it uses as much as digits as its factorization.

52070471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87528.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 52070471 is about 7215.9871812525. The cubic root of 52070471 is about 373.4196509772.

Adding to 52070471 its reverse (17407025), we get a palindrome (69477496).

The spelling of 52070471 in words is "fifty-two million, seventy thousand, four hundred seventy-one".