2534121521 has 8 divisors (see below), whose sum is σ = 2550115200. Its totient is φ = 2518160832.

The previous prime is 2534121497. The next prime is 2534121533. The reversal of 2534121521 is 1251214352.

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-2534121521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2534121571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156041 + ... + 171513.

It is an arithmetic number, because the mean of its divisors is an integer number (318764400).

Almost surely, 2^2534121521 is an apocalyptic number.

It is an amenable number.

2534121521 is a deficient number, since it is larger than the sum of its proper divisors (15993679).

2534121521 is a wasteful number, since it uses less digits than its factorization.

2534121521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16495.

The product of its digits is 2400, while the sum is 26.

The square root of 2534121521 is about 50340.0588100570. The cubic root of 2534121521 is about 1363.3555980141.

Adding to 2534121521 its reverse (1251214352), we get a palindrome (3785335873).

The spelling of 2534121521 in words is "two billion, five hundred thirty-four million, one hundred twenty-one thousand, five hundred twenty-one".