537381623 has 2 divisors, whose sum is σ = 537381624. Its totient is φ = 537381622.

The previous prime is 537381563. The next prime is 537381653. The reversal of 537381623 is 326183735.

537381623 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 is a cyclic number.

It is not a de Polignac number, because 537381623 - 2¹² = 537377527 is a prime.

It is a super-2 number, since 2×537381623² = 577558017476228258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537381653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268690811 + 268690812.

It is an arithmetic number, because the mean of its divisors is an integer number (268690812).

Almost surely, 2^537381623 is an apocalyptic number.

537381623 is a deficient number, since it is larger than the sum of its proper divisors (1).

537381623 is an equidigital number, since it uses as much as digits as its factorization.

537381623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 537381623 is about 23181.4931141202. The cubic root of 537381623 is about 813.0069725315.

The spelling of 537381623 in words is "five hundred thirty-seven million, three hundred eighty-one thousand, six hundred twenty-three".