5102861 has 2 divisors, whose sum is σ = 5102862. Its totient is φ = 5102860.

The previous prime is 5102831. The next prime is 5102863. The reversal of 5102861 is 1682015.

5102861 is digitally balanced in base 3, 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., 3960100 + 1142761 = 1990^2 + 1069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5102861 is a prime.

Together with 5102863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5102863) 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, 2551430 + 2551431.

It is an arithmetic number, because the mean of its divisors is an integer number (2551431).

Almost surely, 2^5102861 is an apocalyptic number.

It is an amenable number.

5102861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5102861 is an equidigital number, since it uses as much as digits as its factorization.

5102861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 5102861 is about 2258.9513053627. The cubic root of 5102861 is about 172.1622432523.

Adding to 5102861 its reverse (1682015), we get a palindrome (6784876).

The spelling of 5102861 in words is "five million, one hundred two thousand, eight hundred sixty-one".