520941545 has 8 divisors (see below), whose sum is σ = 626556480. Its totient is φ = 415802160.

The previous prime is 520941527. The next prime is 520941571. The reversal of 520941545 is 545149025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520941545 - 2²⁰ = 519892969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116471 + ... + 120860.

It is an arithmetic number, because the mean of its divisors is an integer number (78319560).

Almost surely, 2^520941545 is an apocalyptic number.

It is an amenable number.

520941545 is a deficient number, since it is larger than the sum of its proper divisors (105614935).

520941545 is a wasteful number, since it uses less digits than its factorization.

520941545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237775.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 520941545 is about 22824.1439050844. The cubic root of 520941545 is about 804.6302044944.

The spelling of 520941545 in words is "five hundred twenty million, nine hundred forty-one thousand, five hundred forty-five".