545456533 has 2 divisors, whose sum is σ = 545456534. Its totient is φ = 545456532.

The previous prime is 545456531. The next prime is 545456567. The reversal of 545456533 is 335654545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495641169 + 49815364 = 22263^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 545456533 - 2¹ = 545456531 is a prime.

Together with 545456531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545456531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272728266 + 272728267.

It is an arithmetic number, because the mean of its divisors is an integer number (272728267).

Almost surely, 2^545456533 is an apocalyptic number.

It is an amenable number.

545456533 is a deficient number, since it is larger than the sum of its proper divisors (1).

545456533 is an equidigital number, since it uses as much as digits as its factorization.

545456533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540000, while the sum is 40.

The square root of 545456533 is about 23355.0108756130. The cubic root of 545456533 is about 817.0589330497.

The spelling of 545456533 in words is "five hundred forty-five million, four hundred fifty-six thousand, five hundred thirty-three".