541545245 has 16 divisors (see below), whose sum is σ = 660694320. Its totient is φ = 426069504.

The previous prime is 541545197. The next prime is 541545253. The reversal of 541545245 is 542545145.

It can be written as a sum of positive squares in 8 ways, for example, as 20016676 + 521528569 = 4474^2 + 22837^2 .

It is a cyclic number.

It is not a de Polignac number, because 541545245 - 2¹⁶ = 541479709 is a prime.

It is a super-2 number, since 2×541545245² = 586542504764220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71039 + ... + 78291.

It is an arithmetic number, because the mean of its divisors is an integer number (41293395).

Almost surely, 2^541545245 is an apocalyptic number.

It is an amenable number.

541545245 is a deficient number, since it is larger than the sum of its proper divisors (119149075).

541545245 is a wasteful number, since it uses less digits than its factorization.

541545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504.

The product of its digits is 80000, while the sum is 35.

The square root of 541545245 is about 23271.1247042338. The cubic root of 541545245 is about 815.1012934434.

The spelling of 541545245 in words is "five hundred forty-one million, five hundred forty-five thousand, two hundred forty-five".