2430512021 has 16 divisors (see below), whose sum is σ = 2893726080. Its totient is φ = 1998021120.

The previous prime is 2430512017. The next prime is 2430512039. The reversal of 2430512021 is 1202150342.

It is a cyclic number.

It is not a de Polignac number, because 2430512021 - 2² = 2430512017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2430511984 and 2430512002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430512041) 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 15 ways as a sum of consecutive naturals, for example, 54836 + ... + 88701.

It is an arithmetic number, because the mean of its divisors is an integer number (180857880).

Almost surely, 2^2430512021 is an apocalyptic number.

It is an amenable number.

2430512021 is a deficient number, since it is larger than the sum of its proper divisors (463214059).

2430512021 is a wasteful number, since it uses less digits than its factorization.

2430512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143644.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2430512021 is about 49300.2233362081. The cubic root of 2430512021 is about 1344.5158442222.

Adding to 2430512021 its reverse (1202150342), we get a palindrome (3632662363).

The spelling of 2430512021 in words is "two billion, four hundred thirty million, five hundred twelve thousand, twenty-one".