545456507 has 2 divisors, whose sum is σ = 545456508. Its totient is φ = 545456506.

The previous prime is 545456453. The next prime is 545456519. The reversal of 545456507 is 705654545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545456507 - 2¹⁰ = 545455483 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (545456567) 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, 272728253 + 272728254.

It is an arithmetic number, because the mean of its divisors is an integer number (272728254).

Almost surely, 2^545456507 is an apocalyptic number.

545456507 is a deficient number, since it is larger than the sum of its proper divisors (1).

545456507 is an equidigital number, since it uses as much as digits as its factorization.

545456507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 41.

The square root of 545456507 is about 23355.0103189872. The cubic root of 545456507 is about 817.0589200676.

The spelling of 545456507 in words is "five hundred forty-five million, four hundred fifty-six thousand, five hundred seven".