2013505453 has 2 divisors, whose sum is σ = 2013505454. Its totient is φ = 2013505452.

The previous prime is 2013505387. The next prime is 2013505471. The reversal of 2013505453 is 3545053102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1618211529 + 395293924 = 40227^2 + 19882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013505453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013505493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006752726 + 1006752727.

It is an arithmetic number, because the mean of its divisors is an integer number (1006752727).

Almost surely, 2^2013505453 is an apocalyptic number.

It is an amenable number.

2013505453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013505453 is an equidigital number, since it uses as much as digits as its factorization.

2013505453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2013505453 is about 44872.1010539957. The cubic root of 2013505453 is about 1262.7506576518.

Adding to 2013505453 its reverse (3545053102), we get a palindrome (5558558555).

The spelling of 2013505453 in words is "two billion, thirteen million, five hundred five thousand, four hundred fifty-three".