2545261133 has 2 divisors, whose sum is σ = 2545261134. Its totient is φ = 2545261132.

The previous prime is 2545261123. The next prime is 2545261141. The reversal of 2545261133 is 3311625452.

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., 2388961129 + 156300004 = 48877^2 + 12502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545261133 - 2⁸ = 2545260877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2545261133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545261123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272630566 + 1272630567.

It is an arithmetic number, because the mean of its divisors is an integer number (1272630567).

Almost surely, 2^2545261133 is an apocalyptic number.

It is an amenable number.

2545261133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545261133 is an equidigital number, since it uses as much as digits as its factorization.

2545261133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 2545261133 is about 50450.5810967525. The cubic root of 2545261133 is about 1365.3503790886.

Adding to 2545261133 its reverse (3311625452), we get a palindrome (5856886585).

The spelling of 2545261133 in words is "two billion, five hundred forty-five million, two hundred sixty-one thousand, one hundred thirty-three".