520314145 has 32 divisors (see below), whose sum is σ = 716889600. Its totient is φ = 359334144.

The previous prime is 520314131. The next prime is 520314163. The reversal of 520314145 is 541413025.

It is a happy number.

It is not a de Polignac number, because 520314145 - 2¹⁷ = 520183073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94899 + ... + 100231.

It is an arithmetic number, because the mean of its divisors is an integer number (22402800).

Almost surely, 2^520314145 is an apocalyptic number.

It is an amenable number.

520314145 is a deficient number, since it is larger than the sum of its proper divisors (196575455).

520314145 is a wasteful number, since it uses less digits than its factorization.

520314145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 520314145 is about 22810.3955467677. The cubic root of 520314145 is about 804.3070538491.

The spelling of 520314145 in words is "five hundred twenty million, three hundred fourteen thousand, one hundred forty-five".