2530302421 has 8 divisors (see below), whose sum is σ = 2566118720. Its totient is φ = 2494517472.

The previous prime is 2530302377. The next prime is 2530302443. The reversal of 2530302421 is 1242030352.

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

It is a cyclic number.

It is not a de Polignac number, because 2530302421 - 2¹⁹ = 2529778133 is a prime.

It is a super-2 number, since 2×2530302421² = 12804860683436922482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530302392 and 2530302401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530302121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189400 + ... + 202318.

It is an arithmetic number, because the mean of its divisors is an integer number (320764840).

Almost surely, 2^2530302421 is an apocalyptic number.

It is an amenable number.

2530302421 is a deficient number, since it is larger than the sum of its proper divisors (35816299).

2530302421 is a wasteful number, since it uses less digits than its factorization.

2530302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2530302421 is about 50302.1114964372. Note that the first 3 decimals coincide. The cubic root of 2530302421 is about 1362.6703626270.

Adding to 2530302421 its reverse (1242030352), we get a palindrome (3772332773).

The spelling of 2530302421 in words is "two billion, five hundred thirty million, three hundred two thousand, four hundred twenty-one".