520536854 has 4 divisors (see below), whose sum is σ = 780805284. Its totient is φ = 260268426.

The previous prime is 520536847. The next prime is 520536893. The reversal of 520536854 is 458635025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130134212 + ... + 130134215.

It is an arithmetic number, because the mean of its divisors is an integer number (195201321).

Almost surely, 2^520536854 is an apocalyptic number.

520536854 is a deficient number, since it is larger than the sum of its proper divisors (260268430).

520536854 is a wasteful number, since it uses less digits than its factorization.

520536854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260268429.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 520536854 is about 22815.2767679903. The cubic root of 520536854 is about 804.4217927816.

The spelling of 520536854 in words is "five hundred twenty million, five hundred thirty-six thousand, eight hundred fifty-four".