545215607 has 2 divisors, whose sum is σ = 545215608. Its totient is φ = 545215606.

The previous prime is 545215597. The next prime is 545215613. The reversal of 545215607 is 706512545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545215607 - 2⁸ = 545215351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545215807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272607803 + 272607804.

It is an arithmetic number, because the mean of its divisors is an integer number (272607804).

Almost surely, 2^545215607 is an apocalyptic number.

545215607 is a deficient number, since it is larger than the sum of its proper divisors (1).

545215607 is an equidigital number, since it uses as much as digits as its factorization.

545215607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 545215607 is about 23349.8523978204. The cubic root of 545215607 is about 816.9386180973.

The spelling of 545215607 in words is "five hundred forty-five million, two hundred fifteen thousand, six hundred seven".