538682461 has 2 divisors, whose sum is σ = 538682462. Its totient is φ = 538682460.

The previous prime is 538682447. The next prime is 538682489. The reversal of 538682461 is 164286835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538518436 + 164025 = 23206^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 538682461 - 2¹⁵ = 538649693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538682401) 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, 269341230 + 269341231.

It is an arithmetic number, because the mean of its divisors is an integer number (269341231).

Almost surely, 2^538682461 is an apocalyptic number.

It is an amenable number.

538682461 is a deficient number, since it is larger than the sum of its proper divisors (1).

538682461 is an equidigital number, since it uses as much as digits as its factorization.

538682461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 538682461 is about 23209.5338384897. The cubic root of 538682461 is about 813.6624583762.

The spelling of 538682461 in words is "five hundred thirty-eight million, six hundred eighty-two thousand, four hundred sixty-one".