537000161 has 2 divisors, whose sum is σ = 537000162. Its totient is φ = 537000160.

The previous prime is 537000157. The next prime is 537000181. The reversal of 537000161 is 161000735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283585600 + 253414561 = 16840^2 + 15919^2 .

It is a cyclic number.

It is not a de Polignac number, because 537000161 - 2² = 537000157 is a prime.

It is not a weakly prime, because it can be changed into another prime (537000181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268500080 + 268500081.

It is an arithmetic number, because the mean of its divisors is an integer number (268500081).

Almost surely, 2^537000161 is an apocalyptic number.

It is an amenable number.

537000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

537000161 is an equidigital number, since it uses as much as digits as its factorization.

537000161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 537000161 is about 23173.2639263441. The cubic root of 537000161 is about 812.8145551605.

Adding to 537000161 its reverse (161000735), we get a palindrome (698000896).

The spelling of 537000161 in words is "five hundred thirty-seven million, one hundred sixty-one", and thus it is an aban number.