2521408219 has 16 divisors (see below), whose sum is σ = 2937277440. Its totient is φ = 2141748000.

The previous prime is 2521408217. The next prime is 2521408229. The reversal of 2521408219 is 9128041252.

2521408219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2521408219 - 2¹ = 2521408217 is a prime.

It is a super-2 number, since 2×2521408219² = 12714998813681503922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521408213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117597 + ... + 137374.

It is an arithmetic number, because the mean of its divisors is an integer number (183579840).

Almost surely, 2^2521408219 is an apocalyptic number.

2521408219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2521408219 is a deficient number, since it is larger than the sum of its proper divisors (415869221).

2521408219 is a wasteful number, since it uses less digits than its factorization.

2521408219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255042.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2521408219 is about 50213.6258300474. The cubic root of 2521408219 is about 1361.0718588402.

The spelling of 2521408219 in words is "two billion, five hundred twenty-one million, four hundred eight thousand, two hundred nineteen".