52020911 has 2 divisors, whose sum is σ = 52020912. Its totient is φ = 52020910.

The previous prime is 52020887. The next prime is 52020973. The reversal of 52020911 is 11902025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52020911 - 2¹⁸ = 51758767 is a prime.

It is a super-3 number, since 3×52020911³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52010911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010455 + 26010456.

It is an arithmetic number, because the mean of its divisors is an integer number (26010456).

Almost surely, 2^52020911 is an apocalyptic number.

52020911 is a deficient number, since it is larger than the sum of its proper divisors (1).

52020911 is an equidigital number, since it uses as much as digits as its factorization.

52020911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 52020911 is about 7212.5523221672. The cubic root of 52020911 is about 373.3011413746.

Adding to 52020911 its reverse (11902025), we get a palindrome (63922936).

The spelling of 52020911 in words is "fifty-two million, twenty thousand, nine hundred eleven".