521300116 has 24 divisors (see below), whose sum is σ = 923630400. Its totient is φ = 257417472.

The previous prime is 521300113. The next prime is 521300119. The reversal of 521300116 is 611003125.

It is an interprime number because it is at equal distance from previous prime (521300113) and next prime (521300119).

It is a super-2 number, since 2×521300116² = 543507621883226912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521300093 and 521300102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521300113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231291 + ... + 233533.

It is an arithmetic number, because the mean of its divisors is an integer number (38484600).

Almost surely, 2^521300116 is an apocalyptic number.

It is an amenable number.

521300116 is a deficient number, since it is larger than the sum of its proper divisors (402330284).

521300116 is a wasteful number, since it uses less digits than its factorization.

521300116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 521300116 is about 22831.9976348983. The cubic root of 521300116 is about 804.8147747137.

The spelling of 521300116 in words is "five hundred twenty-one million, three hundred thousand, one hundred sixteen".