538382657 has 2 divisors, whose sum is σ = 538382658. Its totient is φ = 538382656.

The previous prime is 538382653. The next prime is 538382693. The reversal of 538382657 is 756283835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 55965361 = 21964^2 + 7481^2 .

It is a cyclic number.

It is not a de Polignac number, because 538382657 - 2² = 538382653 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538382653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269191328 + 269191329.

It is an arithmetic number, because the mean of its divisors is an integer number (269191329).

Almost surely, 2^538382657 is an apocalyptic number.

It is an amenable number.

538382657 is a deficient number, since it is larger than the sum of its proper divisors (1).

538382657 is an equidigital number, since it uses as much as digits as its factorization.

538382657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The square root of 538382657 is about 23203.0743006180. The cubic root of 538382657 is about 813.5114822780.

The spelling of 538382657 in words is "five hundred thirty-eight million, three hundred eighty-two thousand, six hundred fifty-seven".