521064046 has 16 divisors (see below), whose sum is σ = 795711600. Its totient is φ = 255836608.

The previous prime is 521064001. The next prime is 521064053. The reversal of 521064046 is 640460125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143226 + ... + 146818.

It is an arithmetic number, because the mean of its divisors is an integer number (49731975).

Almost surely, 2^521064046 is an apocalyptic number.

521064046 is a deficient number, since it is larger than the sum of its proper divisors (274647554).

521064046 is a wasteful number, since it uses less digits than its factorization.

521064046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 521064046 is about 22826.8273310156. The cubic root of 521064046 is about 804.6932699704.

The spelling of 521064046 in words is "five hundred twenty-one million, sixty-four thousand, forty-six".