541120645 has 16 divisors (see below), whose sum is σ = 703351152. Its totient is φ = 397278720.

The previous prime is 541120639. The next prime is 541120649. The reversal of 541120645 is 546021145.

It is a Cunningham number, because it is equal to 23262²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 4318084 + 536802561 = 2078^2 + 23169^2 .

It is not a de Polignac number, because 541120645 - 2²³ = 532732037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541120649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12816 + ... + 35305.

It is an arithmetic number, because the mean of its divisors is an integer number (43959447).

Almost surely, 2^541120645 is an apocalyptic number.

It is an amenable number.

541120645 is a deficient number, since it is larger than the sum of its proper divisors (162230507).

541120645 is a wasteful number, since it uses less digits than its factorization.

541120645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48312.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 541120645 is about 23262.0000214943. Note that the first 4 decimals coincide. The cubic root of 541120645 is about 814.8882102934. Note that the first 3 decimals are identical.

The spelling of 541120645 in words is "five hundred forty-one million, one hundred twenty thousand, six hundred forty-five".