2530153221 has 8 divisors (see below), whose sum is σ = 3551092320. Its totient is φ = 1597991472.

The previous prime is 2530153211. The next prime is 2530153237. The reversal of 2530153221 is 1223510352.

It is a happy number.

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

It is not a de Polignac number, because 2530153221 - 2⁵ = 2530153189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530153191 and 2530153200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530153211) 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, 22194270 + ... + 22194383.

It is an arithmetic number, because the mean of its divisors is an integer number (443886540).

Almost surely, 2^2530153221 is an apocalyptic number.

It is an amenable number.

2530153221 is a deficient number, since it is larger than the sum of its proper divisors (1020939099).

2530153221 is a wasteful number, since it uses less digits than its factorization.

2530153221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44388675.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2530153221 is about 50300.6284354381. The cubic root of 2530153221 is about 1362.6435786858.

Adding to 2530153221 its reverse (1223510352), we get a palindrome (3753663573).

The spelling of 2530153221 in words is "two billion, five hundred thirty million, one hundred fifty-three thousand, two hundred twenty-one".