521484008 has 32 divisors (see below), whose sum is σ = 1004292000. Its totient is φ = 253761600.

The previous prime is 521484001. The next prime is 521484023. The reversal of 521484008 is 800484125.

It is a happy number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (521484001) 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, 42203 + ... + 53141.

It is an arithmetic number, because the mean of its divisors is an integer number (31384125).

Almost surely, 2^521484008 is an apocalyptic number.

It is an amenable number.

521484008 is a deficient number, since it is larger than the sum of its proper divisors (482807992).

521484008 is a wasteful number, since it uses less digits than its factorization.

521484008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105 (or 11101 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 521484008 is about 22836.0243475085. The cubic root of 521484008 is about 804.9093981337.

The spelling of 521484008 in words is "five hundred twenty-one million, four hundred eighty-four thousand, eight".