5236051861 has 2 divisors, whose sum is σ = 5236051862. Its totient is φ = 5236051860.

The previous prime is 5236051859. The next prime is 5236051871. The reversal of 5236051861 is 1681506325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4876228900 + 359822961 = 69830^2 + 18969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5236051861 - 2¹ = 5236051859 is a prime.

Together with 5236051859, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5236051861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5236051811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618025930 + 2618025931.

It is an arithmetic number, because the mean of its divisors is an integer number (2618025931).

Almost surely, 2^5236051861 is an apocalyptic number.

It is an amenable number.

5236051861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5236051861 is an equidigital number, since it uses as much as digits as its factorization.

5236051861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5236051861 is about 72360.5684126376. The cubic root of 5236051861 is about 1736.4727794708.

The spelling of 5236051861 in words is "five billion, two hundred thirty-six million, fifty-one thousand, eight hundred sixty-one".