2545155133 has 2 divisors, whose sum is σ = 2545155134. Its totient is φ = 2545155132.

The previous prime is 2545155131. The next prime is 2545155143. The reversal of 2545155133 is 3315515452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2127238884 + 417916249 = 46122^2 + 20443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545155133 - 2¹ = 2545155131 is a prime.

Together with 2545155131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545155131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272577566 + 1272577567.

It is an arithmetic number, because the mean of its divisors is an integer number (1272577567).

Almost surely, 2^2545155133 is an apocalyptic number.

It is an amenable number.

2545155133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545155133 is an equidigital number, since it uses as much as digits as its factorization.

2545155133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 34.

The square root of 2545155133 is about 50449.5305528208. The cubic root of 2545155133 is about 1365.3314250217.

The spelling of 2545155133 in words is "two billion, five hundred forty-five million, one hundred fifty-five thousand, one hundred thirty-three".