2523378219 has 4 divisors (see below), whose sum is σ = 3364504296. Its totient is φ = 1682252144.

The previous prime is 2523378217. The next prime is 2523378223. The reversal of 2523378219 is 9128733252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2523378219 - 2¹ = 2523378217 is a prime.

It is a super-2 number, since 2×2523378219² = 12734875272247223922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2523378217) 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, 420563034 + ... + 420563039.

It is an arithmetic number, because the mean of its divisors is an integer number (841126074).

Almost surely, 2^2523378219 is an apocalyptic number.

2523378219 is a deficient number, since it is larger than the sum of its proper divisors (841126077).

2523378219 is an equidigital number, since it uses as much as digits as its factorization.

2523378219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841126076.

The product of its digits is 181440, while the sum is 42.

The square root of 2523378219 is about 50233.2381894697. The cubic root of 2523378219 is about 1361.4262393187.

The spelling of 2523378219 in words is "two billion, five hundred twenty-three million, three hundred seventy-eight thousand, two hundred nineteen".