1009620481 has 2 divisors, whose sum is σ = 1009620482. Its totient is φ = 1009620480.

The previous prime is 1009620439. The next prime is 1009620509. The reversal of 1009620481 is 1840269001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 948640000 + 60980481 = 30800^2 + 7809^2 .

It is an emirp because it is prime and its reverse (1840269001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009620481 - 2¹¹ = 1009618433 is a prime.

It is a super-2 number, since 2×1009620481² = 2038667031309342722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1009620401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504810240 + 504810241.

It is an arithmetic number, because the mean of its divisors is an integer number (504810241).

Almost surely, 2^1009620481 is an apocalyptic number.

It is an amenable number.

1009620481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009620481 is an equidigital number, since it uses as much as digits as its factorization.

1009620481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1009620481 is about 31774.5256612904. The cubic root of 1009620481 is about 1003.1965978742.

Adding to 1009620481 its reverse (1840269001), we get a palindrome (2849889482).

It can be divided in two parts, 1009620 and 481, that added together give a palindrome (1010101).

The spelling of 1009620481 in words is "one billion, nine million, six hundred twenty thousand, four hundred eighty-one".