520087235 has 4 divisors (see below), whose sum is σ = 624104688. Its totient is φ = 416069784.

The previous prime is 520087223. The next prime is 520087261. The reversal of 520087235 is 532780025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520087235 - 2¹⁰ = 520086211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52008719 + ... + 52008728.

It is an arithmetic number, because the mean of its divisors is an integer number (156026172).

Almost surely, 2^520087235 is an apocalyptic number.

520087235 is a deficient number, since it is larger than the sum of its proper divisors (104017453).

520087235 is a wasteful number, since it uses less digits than its factorization.

520087235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104017452.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 520087235 is about 22805.4211756766. The cubic root of 520087235 is about 804.1901168972.

The spelling of 520087235 in words is "five hundred twenty million, eighty-seven thousand, two hundred thirty-five".