2556535141 has 2 divisors, whose sum is σ = 2556535142. Its totient is φ = 2556535140.

The previous prime is 2556535099. The next prime is 2556535151. The reversal of 2556535141 is 1415356552.

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., 2120602500 + 435932641 = 46050^2 + 20879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2556535141 - 2¹⁵ = 2556502373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2556535141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556535151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278267570 + 1278267571.

It is an arithmetic number, because the mean of its divisors is an integer number (1278267571).

Almost surely, 2^2556535141 is an apocalyptic number.

It is an amenable number.

2556535141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556535141 is an equidigital number, since it uses as much as digits as its factorization.

2556535141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 37.

The square root of 2556535141 is about 50562.1908247655. The cubic root of 2556535141 is about 1367.3633093657.

It can be divided in two parts, 25565 and 35141, that added together give a palindrome (60706).

The spelling of 2556535141 in words is "two billion, five hundred fifty-six million, five hundred thirty-five thousand, one hundred forty-one".