545827 has 2 divisors, whose sum is σ = 545828. Its totient is φ = 545826.

The previous prime is 545791. The next prime is 545843. The reversal of 545827 is 728545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545827 - 2¹⁵ = 513059 is a prime.

It is a super-2 number, since 2×545827² = 595854227858, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5⁴ + 4⁶ + 8² + 5⁸ + 2¹⁵ + 7⁶ .

It is a nialpdrome in base 7.

It is not a weakly prime, because it can be changed into another prime (545527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272913 + 272914.

It is an arithmetic number, because the mean of its divisors is an integer number (272914).

2⁵⁴⁵⁸²⁷ is an apocalyptic number.

545827 is a deficient number, since it is larger than the sum of its proper divisors (1).

545827 is an equidigital number, since it uses as much as digits as its factorization.

545827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 545827 is about 738.8010557654. The cubic root of 545827 is about 81.7243869796.

The spelling of 545827 in words is "five hundred forty-five thousand, eight hundred twenty-seven".