520377 has 16 divisors (see below), whose sum is σ = 815808. Its totient is φ = 290880.

The previous prime is 520369. The next prime is 520379. The reversal of 520377 is 773025.

It is not a de Polignac number, because 520377 - 2³ = 520369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (50988).

2⁵²⁰³⁷⁷ is an apocalyptic number.

It is an amenable number.

520377 is a deficient number, since it is larger than the sum of its proper divisors (295431).

520377 is a wasteful number, since it uses less digits than its factorization.

520377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 520377 is about 721.3716101982. The cubic root of 520377 is about 80.4339439851.

The spelling of 520377 in words is "five hundred twenty thousand, three hundred seventy-seven".