2523241341521 has 8 divisors (see below), whose sum is σ = 2591489097000. Its totient is φ = 2454996325248.

The previous prime is 2523241341503. The next prime is 2523241341583. The reversal of 2523241341521 is 1251431423252.

It can be written as a sum of positive squares in 4 ways, for example, as 1497285060496 + 1025956281025 = 1223636^2 + 1012895^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523241341521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523241341121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255805 + ... + 2573621.

It is an arithmetic number, because the mean of its divisors is an integer number (323936137125).

Almost surely, 2^{2523241341521} is an apocalyptic number.

It is an amenable number.

2523241341521 is a deficient number, since it is larger than the sum of its proper divisors (68247755479).

2523241341521 is a wasteful number, since it uses less digits than its factorization.

2523241341521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369603.

The product of its digits is 57600, while the sum is 35.

Adding to 2523241341521 its reverse (1251431423252), we get a palindrome (3774672764773).

The spelling of 2523241341521 in words is "two trillion, five hundred twenty-three billion, two hundred forty-one million, three hundred forty-one thousand, five hundred twenty-one".