2520521466 has 8 divisors (see below), whose sum is σ = 5041042944. Its totient is φ = 840173820.

The previous prime is 2520521459. The next prime is 2520521467. The reversal of 2520521466 is 6641250252.

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

2520521466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2520521467) 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 3 ways as a sum of consecutive naturals, for example, 210043450 + ... + 210043461.

It is an arithmetic number, because the mean of its divisors is an integer number (630130368).

Almost surely, 2^2520521466 is an apocalyptic number.

2520521466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520521466 is a wasteful number, since it uses less digits than its factorization.

2520521466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420086916.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2520521466 is about 50204.7952490596. The cubic root of 2520521466 is about 1360.9122818677.

The spelling of 2520521466 in words is "two billion, five hundred twenty million, five hundred twenty-one thousand, four hundred sixty-six".