52471261 has 2 divisors, whose sum is σ = 52471262. Its totient is φ = 52471260.

The previous prime is 52471253. The next prime is 52471271. The reversal of 52471261 is 16217425.

52471261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 1705636 = 7125^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 52471261 - 2³ = 52471253 is a prime.

It is a super-3 number, since 3×52471261³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52471271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26235630 + 26235631.

It is an arithmetic number, because the mean of its divisors is an integer number (26235631).

Almost surely, 2^52471261 is an apocalyptic number.

It is an amenable number.

52471261 is a deficient number, since it is larger than the sum of its proper divisors (1).

52471261 is an equidigital number, since it uses as much as digits as its factorization.

52471261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 52471261 is about 7243.7049222066. The cubic root of 52471261 is about 374.3752822222.

Adding to 52471261 its reverse (16217425), we get a palindrome (68688686).

The spelling of 52471261 in words is "fifty-two million, four hundred seventy-one thousand, two hundred sixty-one".