545456797 has 2 divisors, whose sum is σ = 545456798. Its totient is φ = 545456796.

The previous prime is 545456773. The next prime is 545456831. The reversal of 545456797 is 797654545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357739396 + 187717401 = 18914^2 + 13701^2 .

It is a cyclic number.

It is not a de Polignac number, because 545456797 - 2¹⁵ = 545424029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545456297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272728398 + 272728399.

It is an arithmetic number, because the mean of its divisors is an integer number (272728399).

Almost surely, 2^545456797 is an apocalyptic number.

It is an amenable number.

545456797 is a deficient number, since it is larger than the sum of its proper divisors (1).

545456797 is an equidigital number, since it uses as much as digits as its factorization.

545456797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292000, while the sum is 52.

The square root of 545456797 is about 23355.0165275043. The cubic root of 545456797 is about 817.0590648680.

The spelling of 545456797 in words is "five hundred forty-five million, four hundred fifty-six thousand, seven hundred ninety-seven".