537538531 has 2 divisors, whose sum is σ = 537538532. Its totient is φ = 537538530.

The previous prime is 537538517. The next prime is 537538579. The reversal of 537538531 is 135835735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 537538531 - 2¹⁹ = 537014243 is a prime.

It is a super-2 number, since 2×537538531² = 577895344619275922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (537538501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268769265 + 268769266.

It is an arithmetic number, because the mean of its divisors is an integer number (268769266).

Almost surely, 2^537538531 is an apocalyptic number.

537538531 is a deficient number, since it is larger than the sum of its proper divisors (1).

537538531 is an equidigital number, since it uses as much as digits as its factorization.

537538531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 537538531 is about 23184.8772047643. The cubic root of 537538531 is about 813.0860937609.

The spelling of 537538531 in words is "five hundred thirty-seven million, five hundred thirty-eight thousand, five hundred thirty-one".