2554884581 has 2 divisors, whose sum is σ = 2554884582. Its totient is φ = 2554884580.

The previous prime is 2554884511. The next prime is 2554884617. The reversal of 2554884581 is 1854884552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2304960100 + 249924481 = 48010^2 + 15809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554884581 - 2¹⁸ = 2554622437 is a prime.

It is a super-2 number, since 2×2554884581² = 13054870444463091122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554884511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277442290 + 1277442291.

It is an arithmetic number, because the mean of its divisors is an integer number (1277442291).

Almost surely, 2^2554884581 is an apocalyptic number.

It is an amenable number.

2554884581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554884581 is an equidigital number, since it uses as much as digits as its factorization.

2554884581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048000, while the sum is 50.

The square root of 2554884581 is about 50545.8661118790. The cubic root of 2554884581 is about 1367.0689785703.

The spelling of 2554884581 in words is "two billion, five hundred fifty-four million, eight hundred eighty-four thousand, five hundred eighty-one".