536887861 has 2 divisors, whose sum is σ = 536887862. Its totient is φ = 536887860.

The previous prime is 536887849. The next prime is 536887877. The reversal of 536887861 is 168788635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535691025 + 1196836 = 23145^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 536887861 - 2⁷ = 536887733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 536887799 and 536887808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536887831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268443930 + 268443931.

It is an arithmetic number, because the mean of its divisors is an integer number (268443931).

Almost surely, 2^536887861 is an apocalyptic number.

It is an amenable number.

536887861 is a deficient number, since it is larger than the sum of its proper divisors (1).

536887861 is an equidigital number, since it uses as much as digits as its factorization.

536887861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 536887861 is about 23170.8407486651. The cubic root of 536887861 is about 812.7578913425.

The spelling of 536887861 in words is "five hundred thirty-six million, eight hundred eighty-seven thousand, eight hundred sixty-one".