2521421214 has 32 divisors (see below), whose sum is σ = 5519792544. Its totient is φ = 763102080.

The previous prime is 2521421209. The next prime is 2521421237. The reversal of 2521421214 is 4121241252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 260209 + ... + 269724.

It is an arithmetic number, because the mean of its divisors is an integer number (172493517).

Almost surely, 2^2521421214 is an apocalyptic number.

2521421214 is an abundant number, since it is smaller than the sum of its proper divisors (2998371330).

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

2521421214 is a wasteful number, since it uses less digits than its factorization.

2521421214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530012.

The product of its digits is 1280, while the sum is 24.

The square root of 2521421214 is about 50213.7552270292. The cubic root of 2521421214 is about 1361.0741970968.

Adding to 2521421214 its reverse (4121241252), we get a palindrome (6642662466).

The spelling of 2521421214 in words is "two billion, five hundred twenty-one million, four hundred twenty-one thousand, two hundred fourteen".