2430513021 has 16 divisors (see below), whose sum is σ = 3318349824. Its totient is φ = 1581690864.

The previous prime is 2430512999. The next prime is 2430513047. The reversal of 2430513021 is 1203150342.

It is not a de Polignac number, because 2430513021 - 2⁵ = 2430512989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430513121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31500 + ... + 76506.

It is an arithmetic number, because the mean of its divisors is an integer number (207396864).

Almost surely, 2^2430513021 is an apocalyptic number.

It is an amenable number.

2430513021 is a deficient number, since it is larger than the sum of its proper divisors (887836803).

2430513021 is a wasteful number, since it uses less digits than its factorization.

2430513021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45440.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2430513021 is about 49300.2334781490. The cubic root of 2430513021 is about 1344.5160286162.

Adding to 2430513021 its reverse (1203150342), we get a palindrome (3633663363).

The spelling of 2430513021 in words is "two billion, four hundred thirty million, five hundred thirteen thousand, twenty-one".