520250667 has 4 divisors (see below), whose sum is σ = 693667560. Its totient is φ = 346833776.

The previous prime is 520250663. The next prime is 520250669. The reversal of 520250667 is 766052025.

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 520250667 - 2² = 520250663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520250663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86708442 + ... + 86708447.

It is an arithmetic number, because the mean of its divisors is an integer number (173416890).

Almost surely, 2^520250667 is an apocalyptic number.

520250667 is a deficient number, since it is larger than the sum of its proper divisors (173416893).

520250667 is a wasteful number, since it uses less digits than its factorization.

520250667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173416892.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 520250667 is about 22809.0040773375. The cubic root of 520250667 is about 804.2743441998.

The spelling of 520250667 in words is "five hundred twenty million, two hundred fifty thousand, six hundred sixty-seven".