2545264537 has 2 divisors, whose sum is σ = 2545264538. Its totient is φ = 2545264536.

The previous prime is 2545264511. The next prime is 2545264573. The reversal of 2545264537 is 7354625452.

Together with next prime (2545264573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2307457296 + 237807241 = 48036^2 + 15421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545264537 - 2¹⁹ = 2544740249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545264493 and 2545264502.

It is not a weakly prime, because it can be changed into another prime (2545264597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272632268 + 1272632269.

It is an arithmetic number, because the mean of its divisors is an integer number (1272632269).

Almost surely, 2^2545264537 is an apocalyptic number.

It is an amenable number.

2545264537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545264537 is an equidigital number, since it uses as much as digits as its factorization.

2545264537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 43.

The square root of 2545264537 is about 50450.6148327253. The cubic root of 2545264537 is about 1365.3509877558.

Adding to 2545264537 its reverse (7354625452), we get a palindrome (9899889989).

The spelling of 2545264537 in words is "two billion, five hundred forty-five million, two hundred sixty-four thousand, five hundred thirty-seven".