1024521481 has 2 divisors, whose sum is σ = 1024521482. Its totient is φ = 1024521480.

The previous prime is 1024521437. The next prime is 1024521503. The reversal of 1024521481 is 1841254201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 999571456 + 24950025 = 31616^2 + 4995^2 .

It is an emirp because it is prime and its reverse (1841254201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1024521481 - 2⁷ = 1024521353 is a prime.

It is a super-2 number, since 2×1024521481² = 2099288530060866722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1024521581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512260740 + 512260741.

It is an arithmetic number, because the mean of its divisors is an integer number (512260741).

Almost surely, 2^1024521481 is an apocalyptic number.

It is an amenable number.

1024521481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024521481 is an equidigital number, since it uses as much as digits as its factorization.

1024521481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1024521481 is about 32008.1471035110. The cubic root of 1024521481 is about 1008.1079111109.

Adding to 1024521481 its reverse (1841254201), we get a palindrome (2865775682).

The spelling of 1024521481 in words is "one billion, twenty-four million, five hundred twenty-one thousand, four hundred eighty-one".