2520244523 has 4 divisors (see below), whose sum is σ = 2520346680. Its totient is φ = 2520142368.

The previous prime is 2520244513. The next prime is 2520244561. The reversal of 2520244523 is 3254420252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2520244523 - 2⁶ = 2520244459 is a prime.

It is a super-2 number, since 2×2520244523² = 12703264911422995058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520244513) 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, 11411 + ... + 71907.

It is an arithmetic number, because the mean of its divisors is an integer number (630086670).

Almost surely, 2^2520244523 is an apocalyptic number.

2520244523 is a deficient number, since it is larger than the sum of its proper divisors (102157).

2520244523 is an equidigital number, since it uses as much as digits as its factorization.

2520244523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102156.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2520244523 is about 50202.0370403433. The cubic root of 2520244523 is about 1360.8624365030.

Adding to 2520244523 its reverse (3254420252), we get a palindrome (5774664775).

The spelling of 2520244523 in words is "two billion, five hundred twenty million, two hundred forty-four thousand, five hundred twenty-three".