1230545413 has 2 divisors, whose sum is σ = 1230545414. Its totient is φ = 1230545412.

The previous prime is 1230545369. The next prime is 1230545447. The reversal of 1230545413 is 3145450321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705539844 + 525005569 = 26562^2 + 22913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230545413 - 2⁹ = 1230544901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230545453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615272706 + 615272707.

It is an arithmetic number, because the mean of its divisors is an integer number (615272707).

Almost surely, 2^1230545413 is an apocalyptic number.

It is an amenable number.

1230545413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230545413 is an equidigital number, since it uses as much as digits as its factorization.

1230545413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1230545413 is about 35079.1307332437. The cubic root of 1230545413 is about 1071.5996143093.

Adding to 1230545413 its reverse (3145450321), we get a palindrome (4375995734).

The spelling of 1230545413 in words is "one billion, two hundred thirty million, five hundred forty-five thousand, four hundred thirteen".