545220525547 has 2 divisors, whose sum is σ = 545220525548. Its totient is φ = 545220525546.

The previous prime is 545220525541. The next prime is 545220525611. The reversal of 545220525547 is 745525022545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545220525547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545220525497 and 545220525506.

It is not a weakly prime, because it can be changed into another prime (545220525541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272610262773 + 272610262774.

It is an arithmetic number, because the mean of its divisors is an integer number (272610262774).

Almost surely, 2^545220525547 is an apocalyptic number.

545220525547 is a deficient number, since it is larger than the sum of its proper divisors (1).

545220525547 is an equidigital number, since it uses as much as digits as its factorization.

545220525547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800000, while the sum is 46.

The spelling of 545220525547 in words is "five hundred forty-five billion, two hundred twenty million, five hundred twenty-five thousand, five hundred forty-seven".