520264601 has 4 divisors (see below), whose sum is σ = 520312500. Its totient is φ = 520216704.

The previous prime is 520264597. The next prime is 520264609. The reversal of 520264601 is 106462025.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 370177600 + 150087001 = 19240^2 + 12251^2 .

It is a cyclic number.

It is not a de Polignac number, because 520264601 - 2² = 520264597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520264609) 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, 1025 + ... + 32273.

It is an arithmetic number, because the mean of its divisors is an integer number (130078125).

Almost surely, 2^520264601 is an apocalyptic number.

It is an amenable number.

520264601 is a deficient number, since it is larger than the sum of its proper divisors (47899).

520264601 is a wasteful number, since it uses less digits than its factorization.

520264601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47898.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 520264601 is about 22809.3095248409. The cubic root of 520264601 is about 804.2815244941.

The spelling of 520264601 in words is "five hundred twenty million, two hundred sixty-four thousand, six hundred one".