2520484421 has 24 divisors (see below), whose sum is σ = 3124433664. Its totient is φ = 1990872000.

The previous prime is 2520484381. The next prime is 2520484423. The reversal of 2520484421 is 1244840252.

It is not a de Polignac number, because 2520484421 - 2¹⁰ = 2520483397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520484423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887015 + ... + 889851.

It is an arithmetic number, because the mean of its divisors is an integer number (130184736).

Almost surely, 2^2520484421 is an apocalyptic number.

It is an amenable number.

2520484421 is a deficient number, since it is larger than the sum of its proper divisors (603949243).

2520484421 is a wasteful number, since it uses less digits than its factorization.

2520484421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 2520484421 is about 50204.4263088425. The cubic root of 2520484421 is about 1360.9056145645.

The spelling of 2520484421 in words is "two billion, five hundred twenty million, four hundred eighty-four thousand, four hundred twenty-one".