521002010 has 16 divisors (see below), whose sum is σ = 938131200. Its totient is φ = 208328016.

The previous prime is 521002007. The next prime is 521002033. The reversal of 521002010 is 10200125.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 521001982 and 521002000.

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, 28271 + ... + 42909.

It is an arithmetic number, because the mean of its divisors is an integer number (58633200).

Almost surely, 2^521002010 is an apocalyptic number.

521002010 is a deficient number, since it is larger than the sum of its proper divisors (417129190).

521002010 is a wasteful number, since it uses less digits than its factorization.

521002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 521002010 is about 22825.4684508336. The cubic root of 521002010 is about 804.6613340799.

Adding to 521002010 its reverse (10200125), we get a palindrome (531202135).

The spelling of 521002010 in words is "five hundred twenty-one million, two thousand, ten".