2545450013 has 2 divisors, whose sum is σ = 2545450014. Its totient is φ = 2545450012.

The previous prime is 2545450003. The next prime is 2545450057. The reversal of 2545450013 is 3100545452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2261763364 + 283686649 = 47558^2 + 16843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545450013 - 2¹⁶ = 2545384477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545450003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272725006 + 1272725007.

It is an arithmetic number, because the mean of its divisors is an integer number (1272725007).

Almost surely, 2^2545450013 is an apocalyptic number.

It is an amenable number.

2545450013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545450013 is an equidigital number, since it uses as much as digits as its factorization.

2545450013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2545450013 is about 50452.4529928922. The cubic root of 2545450013 is about 1365.3841517858.

Adding to 2545450013 its reverse (3100545452), we get a palindrome (5645995465).

The spelling of 2545450013 in words is "two billion, five hundred forty-five million, four hundred fifty thousand, thirteen".