2045453513 has 2 divisors, whose sum is σ = 2045453514. Its totient is φ = 2045453512.

The previous prime is 2045453497. The next prime is 2045453521. The reversal of 2045453513 is 3153545402.

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., 1978737289 + 66716224 = 44483^2 + 8168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045453513 - 2⁴ = 2045453497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045453513.

It is not a weakly prime, because it can be changed into another prime (2045453213) 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, 1022726756 + 1022726757.

It is an arithmetic number, because the mean of its divisors is an integer number (1022726757).

Almost surely, 2^2045453513 is an apocalyptic number.

It is an amenable number.

2045453513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045453513 is an equidigital number, since it uses as much as digits as its factorization.

2045453513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2045453513 is about 45226.6902724486. The cubic root of 2045453513 is about 1269.3942826292.

Adding to 2045453513 its reverse (3153545402), we get a palindrome (5198998915).

The spelling of 2045453513 in words is "two billion, forty-five million, four hundred fifty-three thousand, five hundred thirteen".