520974801 has 8 divisors (see below), whose sum is σ = 771814560. Its totient is φ = 347316516.

The previous prime is 520974787. The next prime is 520974841. The reversal of 520974801 is 108479025.

520974801 is a `hidden beast` number, since 520 + 97 + 48 + 0 + 1 = 666.

It is not a de Polignac number, because 520974801 - 2¹⁸ = 520712657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520974841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647655 + ... + 9647708.

It is an arithmetic number, because the mean of its divisors is an integer number (96476820).

Almost surely, 2^520974801 is an apocalyptic number.

It is an amenable number.

520974801 is a deficient number, since it is larger than the sum of its proper divisors (250839759).

520974801 is a wasteful number, since it uses less digits than its factorization.

520974801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295372 (or 19295366 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 520974801 is about 22824.8724202349. The cubic root of 520974801 is about 804.6473261932.

The spelling of 520974801 in words is "five hundred twenty million, nine hundred seventy-four thousand, eight hundred one".