521034616 has 8 divisors (see below), whose sum is σ = 976939920. Its totient is φ = 260517304.

The previous prime is 521034593. The next prime is 521034623. The reversal of 521034616 is 616430125.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32564656 + ... + 32564671.

It is an arithmetic number, because the mean of its divisors is an integer number (122117490).

Almost surely, 2^521034616 is an apocalyptic number.

It is an amenable number.

521034616 is a deficient number, since it is larger than the sum of its proper divisors (455905304).

521034616 is a wasteful number, since it uses less digits than its factorization.

521034616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65129333 (or 65129329 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 521034616 is about 22826.1826856792. The cubic root of 521034616 is about 804.6781198374.

The spelling of 521034616 in words is "five hundred twenty-one million, thirty-four thousand, six hundred sixteen".