537571669 has 2 divisors, whose sum is σ = 537571670. Its totient is φ = 537571668.

The previous prime is 537571667. The next prime is 537571673. The reversal of 537571669 is 966175735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351112644 + 186459025 = 18738^2 + 13655^2 .

It is a cyclic number.

It is not a de Polignac number, because 537571669 - 2¹ = 537571667 is a prime.

It is a super-2 number, since 2×537571669² = 577966598622891122, which contains 22 as substring.

Together with 537571667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537571667) 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, 268785834 + 268785835.

It is an arithmetic number, because the mean of its divisors is an integer number (268785835).

Almost surely, 2^537571669 is an apocalyptic number.

It is an amenable number.

537571669 is a deficient number, since it is larger than the sum of its proper divisors (1).

537571669 is an equidigital number, since it uses as much as digits as its factorization.

537571669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 49.

The square root of 537571669 is about 23185.5918406238. The cubic root of 537571669 is about 813.1028017063.

The spelling of 537571669 in words is "five hundred thirty-seven million, five hundred seventy-one thousand, six hundred sixty-nine".