545325245 has 4 divisors (see below), whose sum is σ = 654390300. Its totient is φ = 436260192.

The previous prime is 545325241. The next prime is 545325271. The reversal of 545325245 is 542523545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542523545 = 5 ⋅108504709.

It can be written as a sum of positive squares in 2 ways, for example, as 349017124 + 196308121 = 18682^2 + 14011^2 .

It is a cyclic number.

It is not a de Polignac number, because 545325245 - 2² = 545325241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545325241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54532520 + ... + 54532529.

It is an arithmetic number, because the mean of its divisors is an integer number (163597575).

Almost surely, 2^545325245 is an apocalyptic number.

It is an amenable number.

545325245 is a deficient number, since it is larger than the sum of its proper divisors (109065055).

545325245 is a wasteful number, since it uses less digits than its factorization.

545325245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109065054.

The product of its digits is 120000, while the sum is 35.

The square root of 545325245 is about 23352.2000034258. The cubic root of 545325245 is about 816.9933741192.

The spelling of 545325245 in words is "five hundred forty-five million, three hundred twenty-five thousand, two hundred forty-five".