520434545 has 8 divisors (see below), whose sum is σ = 625776000. Its totient is φ = 415511280.

The previous prime is 520434533. The next prime is 520434557. The reversal of 520434545 is 545434025.

It is an interprime number because it is at equal distance from previous prime (520434533) and next prime (520434557).

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

It is not a de Polignac number, because 520434545 - 2¹⁰ = 520433521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101801 + ... + 106790.

It is an arithmetic number, because the mean of its divisors is an integer number (78222000).

Almost surely, 2^520434545 is an apocalyptic number.

It is an amenable number.

520434545 is a deficient number, since it is larger than the sum of its proper divisors (105341455).

520434545 is a wasteful number, since it uses less digits than its factorization.

520434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209095.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 520434545 is about 22813.0345416825. The cubic root of 520434545 is about 804.3690875914.

The spelling of 520434545 in words is "five hundred twenty million, four hundred thirty-four thousand, five hundred forty-five".