521652106 has 16 divisors (see below), whose sum is σ = 872112960. Its totient is φ = 232562880.

The previous prime is 521652101. The next prime is 521652149. The reversal of 521652106 is 601256125.

It is not an unprimeable number, because it can be changed into a prime (521652101) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 403110 + ... + 404401.

It is an arithmetic number, because the mean of its divisors is an integer number (54507060).

Almost surely, 2^521652106 is an apocalyptic number.

521652106 is a deficient number, since it is larger than the sum of its proper divisors (350460854).

521652106 is a wasteful number, since it uses less digits than its factorization.

521652106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807549.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 521652106 is about 22839.7045952876. The cubic root of 521652106 is about 804.9958751380.

The spelling of 521652106 in words is "five hundred twenty-one million, six hundred fifty-two thousand, one hundred six".