537016861 has 2 divisors, whose sum is σ = 537016862. Its totient is φ = 537016860.

The previous prime is 537016801. The next prime is 537016871. The reversal of 537016861 is 168610735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338376025 + 198640836 = 18395^2 + 14094^2 .

It is a cyclic number.

It is not a de Polignac number, because 537016861 - 2¹¹ = 537014813 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 537016861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537016801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268508430 + 268508431.

It is an arithmetic number, because the mean of its divisors is an integer number (268508431).

Almost surely, 2^537016861 is an apocalyptic number.

It is an amenable number.

537016861 is a deficient number, since it is larger than the sum of its proper divisors (1).

537016861 is an equidigital number, since it uses as much as digits as its factorization.

537016861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 537016861 is about 23173.6242525851. The cubic root of 537016861 is about 812.8229808950.

The spelling of 537016861 in words is "five hundred thirty-seven million, sixteen thousand, eight hundred sixty-one".