537362821 has 2 divisors, whose sum is σ = 537362822. Its totient is φ = 537362820.

The previous prime is 537362767. The next prime is 537362827. The reversal of 537362821 is 128263735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450033796 + 87329025 = 21214^2 + 9345^2 .

It is a cyclic number.

It is not a de Polignac number, because 537362821 - 2²³ = 528974213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537362827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268681410 + 268681411.

It is an arithmetic number, because the mean of its divisors is an integer number (268681411).

Almost surely, 2^537362821 is an apocalyptic number.

It is an amenable number.

537362821 is a deficient number, since it is larger than the sum of its proper divisors (1).

537362821 is an equidigital number, since it uses as much as digits as its factorization.

537362821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 537362821 is about 23181.0875715528. The cubic root of 537362821 is about 812.9974905453.

The spelling of 537362821 in words is "five hundred thirty-seven million, three hundred sixty-two thousand, eight hundred twenty-one".