2521341523 has 4 divisors (see below), whose sum is σ = 2524735728. Its totient is φ = 2517947320.

The previous prime is 2521341517. The next prime is 2521341527. The reversal of 2521341523 is 3251431252.

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 2521341523 - 2⁵ = 2521341491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521341491 and 2521341500.

It is not an unprimeable number, because it can be changed into a prime (2521341527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695988 + ... + 1697473.

It is an arithmetic number, because the mean of its divisors is an integer number (631183932).

Almost surely, 2^2521341523 is an apocalyptic number.

2521341523 is a deficient number, since it is larger than the sum of its proper divisors (3394205).

2521341523 is an equidigital number, since it uses as much as digits as its factorization.

2521341523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394204.

The product of its digits is 7200, while the sum is 28.

The square root of 2521341523 is about 50212.9617031300. The cubic root of 2521341523 is about 1361.0598577623.

Adding to 2521341523 its reverse (3251431252), we get a palindrome (5772772775).

The spelling of 2521341523 in words is "two billion, five hundred twenty-one million, three hundred forty-one thousand, five hundred twenty-three".