52610861 has 2 divisors, whose sum is σ = 52610862. Its totient is φ = 52610860.

The previous prime is 52610851. The next prime is 52610863. The reversal of 52610861 is 16801625.

It is a happy number.

52610861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 12033961 = 6370^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 52610861 - 2⁶ = 52610797 is a prime.

It is a super-2 number, since 2×52610861² = 5535805390322642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 52610863, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52610863) 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, 26305430 + 26305431.

It is an arithmetic number, because the mean of its divisors is an integer number (26305431).

Almost surely, 2^52610861 is an apocalyptic number.

It is an amenable number.

52610861 is a deficient number, since it is larger than the sum of its proper divisors (1).

52610861 is an equidigital number, since it uses as much as digits as its factorization.

52610861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 52610861 is about 7253.3344745710. The cubic root of 52610861 is about 374.7069971987.

The spelling of 52610861 in words is "fifty-two million, six hundred ten thousand, eight hundred sixty-one".