2530624001321 has 4 divisors (see below), whose sum is σ = 2725287386052. Its totient is φ = 2335960616592.

The previous prime is 2530624001303. The next prime is 2530624001329. The reversal of 2530624001321 is 1231004260352.

It is a happy number.

2530624001321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 357830079721 + 2172793921600 = 598189^2 + 1474040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530624001321 - 2¹⁰ = 2530624000297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530624001329) 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, 97331692346 + ... + 97331692371.

It is an arithmetic number, because the mean of its divisors is an integer number (681321846513).

Almost surely, 2^{2530624001321} is an apocalyptic number.

It is an amenable number.

2530624001321 is a deficient number, since it is larger than the sum of its proper divisors (194663384731).

2530624001321 is a wasteful number, since it uses less digits than its factorization.

2530624001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194663384730.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 2530624001321 its reverse (1231004260352), we get a palindrome (3761628261673).

The spelling of 2530624001321 in words is "two trillion, five hundred thirty billion, six hundred twenty-four million, one thousand, three hundred twenty-one".