1420544513 has 2 divisors, whose sum is σ = 1420544514. Its totient is φ = 1420544512.

The previous prime is 1420544491. The next prime is 1420544563. The reversal of 1420544513 is 3154450241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338315889 + 82228624 = 36583^2 + 9068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420544513 - 2¹⁶ = 1420478977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420544563) 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, 710272256 + 710272257.

It is an arithmetic number, because the mean of its divisors is an integer number (710272257).

Almost surely, 2^1420544513 is an apocalyptic number.

It is an amenable number.

1420544513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420544513 is an equidigital number, since it uses as much as digits as its factorization.

1420544513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1420544513 is about 37690.1116076883. Note that the first 3 decimals coincide. The cubic root of 1420544513 is about 1124.1345147140.

Adding to 1420544513 its reverse (3154450241), we get a palindrome (4574994754).

The spelling of 1420544513 in words is "one billion, four hundred twenty million, five hundred forty-four thousand, five hundred thirteen".