537622009 has 2 divisors, whose sum is σ = 537622010. Its totient is φ = 537622008.

The previous prime is 537621989. The next prime is 537622013. The reversal of 537622009 is 900226735.

It is a happy number.

537622009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533610000 + 4012009 = 23100^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 537622009 - 2¹⁹ = 537097721 is a prime.

It is a super-2 number, since 2×537622009² = 578074849122392162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (537622069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268811004 + 268811005.

It is an arithmetic number, because the mean of its divisors is an integer number (268811005).

Almost surely, 2^537622009 is an apocalyptic number.

It is an amenable number.

537622009 is a deficient number, since it is larger than the sum of its proper divisors (1).

537622009 is an equidigital number, since it uses as much as digits as its factorization.

537622009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 537622009 is about 23186.6774031986. The cubic root of 537622009 is about 813.1281814649.

The spelling of 537622009 in words is "five hundred thirty-seven million, six hundred twenty-two thousand, nine".