520435245 has 16 divisors (see below), whose sum is σ = 908396352. Its totient is φ = 252332160.

The previous prime is 520435211. The next prime is 520435261. The reversal of 520435245 is 542534025.

It is not a de Polignac number, because 520435245 - 2⁷ = 520435117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576912 + ... + 1577241.

It is an arithmetic number, because the mean of its divisors is an integer number (56774772).

Almost surely, 2^520435245 is an apocalyptic number.

520435245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520435245 is a deficient number, since it is larger than the sum of its proper divisors (387961107).

520435245 is a wasteful number, since it uses less digits than its factorization.

520435245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154172.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 520435245 is about 22813.0498837836. The cubic root of 520435245 is about 804.3694482247.

The spelling of 520435245 in words is "five hundred twenty million, four hundred thirty-five thousand, two hundred forty-five".