545529731 has 2 divisors, whose sum is σ = 545529732. Its totient is φ = 545529730.

The previous prime is 545529713. The next prime is 545529773. The reversal of 545529731 is 137925545.

Together with previous prime (545529713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545529731 - 2⁶ = 545529667 is a prime.

It is a super-2 number, since 2×545529731² = 595205374809864722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545529781) 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, 272764865 + 272764866.

It is an arithmetic number, because the mean of its divisors is an integer number (272764866).

Almost surely, 2^545529731 is an apocalyptic number.

545529731 is a deficient number, since it is larger than the sum of its proper divisors (1).

545529731 is an equidigital number, since it uses as much as digits as its factorization.

545529731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The square root of 545529731 is about 23356.5778957449. The cubic root of 545529731 is about 817.0954800527.

The spelling of 545529731 in words is "five hundred forty-five million, five hundred twenty-nine thousand, seven hundred thirty-one".