1024530421 has 2 divisors, whose sum is σ = 1024530422. Its totient is φ = 1024530420.

The previous prime is 1024530389. The next prime is 1024530443. The reversal of 1024530421 is 1240354201.

It is an a-pointer prime, because the next prime (1024530443) can be obtained adding 1024530421 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018503396 + 6027025 = 31914^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024530421 - 2⁵ = 1024530389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1024530392 and 1024530401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024534421) 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 as a sum of consecutive naturals, namely, 512265210 + 512265211.

It is an arithmetic number, because the mean of its divisors is an integer number (512265211).

Almost surely, 2^1024530421 is an apocalyptic number.

It is an amenable number.

1024530421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024530421 is an equidigital number, since it uses as much as digits as its factorization.

1024530421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1024530421 is about 32008.2867551514. The cubic root of 1024530421 is about 1008.1108433606.

Adding to 1024530421 its reverse (1240354201), we get a palindrome (2264884622).

The spelling of 1024530421 in words is "one billion, twenty-four million, five hundred thirty thousand, four hundred twenty-one".