521164010 has 8 divisors (see below), whose sum is σ = 938095236. Its totient is φ = 208465600.

The previous prime is 521164003. The next prime is 521164013. The reversal of 521164010 is 10461125.

It can be written as a sum of positive squares in 2 ways, for example, as 496888681 + 24275329 = 22291^2 + 4927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×521164010² = 543223850638560200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (521164013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26058191 + ... + 26058210.

Almost surely, 2^521164010 is an apocalyptic number.

521164010 is a deficient number, since it is larger than the sum of its proper divisors (416931226).

521164010 is a wasteful number, since it uses less digits than its factorization.

521164010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52116408.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 521164010 is about 22829.0168426063. The cubic root of 521164010 is about 804.7447257144.

The spelling of 521164010 in words is "five hundred twenty-one million, one hundred sixty-four thousand, ten".