52171051 has 2 divisors, whose sum is σ = 52171052. Its totient is φ = 52171050.

The previous prime is 52171039. The next prime is 52171069. The reversal of 52171051 is 15017125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52171051 - 2⁹ = 52170539 is a prime.

It is not a weakly prime, because it can be changed into another prime (52171001) 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 as a sum of consecutive naturals, namely, 26085525 + 26085526.

It is an arithmetic number, because the mean of its divisors is an integer number (26085526).

Almost surely, 2^52171051 is an apocalyptic number.

52171051 is a deficient number, since it is larger than the sum of its proper divisors (1).

52171051 is an equidigital number, since it uses as much as digits as its factorization.

52171051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 52171051 is about 7222.9530664403. The cubic root of 52171051 is about 373.6599304218.

Adding to 52171051 its reverse (15017125), we get a palindrome (67188176).

The spelling of 52171051 in words is "fifty-two million, one hundred seventy-one thousand, fifty-one".