520258245 has 32 divisors (see below), whose sum is σ = 897547392. Its totient is φ = 255812352.

The previous prime is 520258243. The next prime is 520258261. The reversal of 520258245 is 542852025.

It is a happy number.

It is not a de Polignac number, because 520258245 - 2¹ = 520258243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520258243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290242 + ... + 292028.

It is an arithmetic number, because the mean of its divisors is an integer number (28048356).

Almost surely, 2^520258245 is an apocalyptic number.

It is an amenable number.

520258245 is a deficient number, since it is larger than the sum of its proper divisors (377289147).

520258245 is a wasteful number, since it uses less digits than its factorization.

520258245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 520258245 is about 22809.1701953403. The cubic root of 520258245 is about 804.2782492157.

The spelling of 520258245 in words is "five hundred twenty million, two hundred fifty-eight thousand, two hundred forty-five".