2555434261 has 2 divisors, whose sum is σ = 2555434262. Its totient is φ = 2555434260.

The previous prime is 2555434247. The next prime is 2555434289. The reversal of 2555434261 is 1624345552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2510611236 + 44823025 = 50106^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555434261 - 2¹⁷ = 2555303189 is a prime.

It is a super-2 number, since 2×2555434261² = 13060488524585232242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555434261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555432261) 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, 1277717130 + 1277717131.

It is an arithmetic number, because the mean of its divisors is an integer number (1277717131).

Almost surely, 2^2555434261 is an apocalyptic number.

It is an amenable number.

2555434261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555434261 is an equidigital number, since it uses as much as digits as its factorization.

2555434261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 37.

The square root of 2555434261 is about 50551.3032571862. The cubic root of 2555434261 is about 1367.1670125607.

The spelling of 2555434261 in words is "two billion, five hundred fifty-five million, four hundred thirty-four thousand, two hundred sixty-one".