2455802581 has 2 divisors, whose sum is σ = 2455802582. Its totient is φ = 2455802580.

The previous prime is 2455802567. The next prime is 2455802597. The reversal of 2455802581 is 1852085542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2319963556 + 135839025 = 48166^2 + 11655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455802581 - 2²⁵ = 2422248149 is a prime.

It is a super-2 number, since 2×2455802581² = 12061932633692523122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2455802521) 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, 1227901290 + 1227901291.

It is an arithmetic number, because the mean of its divisors is an integer number (1227901291).

Almost surely, 2^2455802581 is an apocalyptic number.

It is an amenable number.

2455802581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455802581 is an equidigital number, since it uses as much as digits as its factorization.

2455802581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 2455802581 is about 49556.0549378176. The cubic root of 2455802581 is about 1349.1631907773.

The spelling of 2455802581 in words is "two billion, four hundred fifty-five million, eight hundred two thousand, five hundred eighty-one".