537919717 has 2 divisors, whose sum is σ = 537919718. Its totient is φ = 537919716.

The previous prime is 537919691. The next prime is 537919721. The reversal of 537919717 is 717919735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483956001 + 53963716 = 21999^2 + 7346^2 .

It is a cyclic number.

It is not a de Polignac number, because 537919717 - 2¹¹ = 537917669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537910717) 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, 268959858 + 268959859.

It is an arithmetic number, because the mean of its divisors is an integer number (268959859).

Almost surely, 2^537919717 is an apocalyptic number.

It is an amenable number.

537919717 is a deficient number, since it is larger than the sum of its proper divisors (1).

537919717 is an equidigital number, since it uses as much as digits as its factorization.

537919717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 416745, while the sum is 49.

The square root of 537919717 is about 23193.0963219662. The cubic root of 537919717 is about 813.2782435850.

The spelling of 537919717 in words is "five hundred thirty-seven million, nine hundred nineteen thousand, seven hundred seventeen".