545473207 has 2 divisors, whose sum is σ = 545473208. Its totient is φ = 545473206.

The previous prime is 545473199. The next prime is 545473217. The reversal of 545473207 is 702374545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545473207 - 2³ = 545473199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545473217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272736603 + 272736604.

It is an arithmetic number, because the mean of its divisors is an integer number (272736604).

Almost surely, 2^545473207 is an apocalyptic number.

545473207 is a deficient number, since it is larger than the sum of its proper divisors (1).

545473207 is an equidigital number, since it uses as much as digits as its factorization.

545473207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 545473207 is about 23355.3678412480. The cubic root of 545473207 is about 817.0672584927.

The spelling of 545473207 in words is "five hundred forty-five million, four hundred seventy-three thousand, two hundred seven".