2521523023 has 8 divisors (see below), whose sum is σ = 2572333376. Its totient is φ = 2471018400.

The previous prime is 2521523009. The next prime is 2521523047. The reversal of 2521523023 is 3203251252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521523023 - 2²¹ = 2519425871 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 (2521523063) 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 7 ways as a sum of consecutive naturals, for example, 59736 + ... + 92797.

It is an arithmetic number, because the mean of its divisors is an integer number (321541672).

Almost surely, 2^2521523023 is an apocalyptic number.

2521523023 is a deficient number, since it is larger than the sum of its proper divisors (50810353).

2521523023 is a wasteful number, since it uses less digits than its factorization.

2521523023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152865.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2521523023 is about 50214.7689728829. The cubic root of 2521523023 is about 1361.0925158314.

Adding to 2521523023 its reverse (3203251252), we get a palindrome (5724774275).

The spelling of 2521523023 in words is "two billion, five hundred twenty-one million, five hundred twenty-three thousand, twenty-three".