545446667 has 2 divisors, whose sum is σ = 545446668. Its totient is φ = 545446666.

The previous prime is 545446639. The next prime is 545446687. The reversal of 545446667 is 766644545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545446667 - 2²⁰ = 544398091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545446687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272723333 + 272723334.

It is an arithmetic number, because the mean of its divisors is an integer number (272723334).

Almost surely, 2^545446667 is an apocalyptic number.

545446667 is a deficient number, since it is larger than the sum of its proper divisors (1).

545446667 is an equidigital number, since it uses as much as digits as its factorization.

545446667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 47.

The square root of 545446667 is about 23354.7996566016. The cubic root of 545446667 is about 817.0540068081.

The spelling of 545446667 in words is "five hundred forty-five million, four hundred forty-six thousand, six hundred sixty-seven".