2554346581 has 8 divisors (see below), whose sum is σ = 2688995520. Its totient is φ = 2421663552.

The previous prime is 2554346573. The next prime is 2554346603. The reversal of 2554346581 is 1856434552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2554346581 - 2³ = 2554346573 is a prime.

It is a super-2 number, since 2×2554346581² = 13049372911732779122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554346521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488811 + ... + 494008.

It is an arithmetic number, because the mean of its divisors is an integer number (336124440).

Almost surely, 2^2554346581 is an apocalyptic number.

It is an amenable number.

2554346581 is a deficient number, since it is larger than the sum of its proper divisors (134648939).

2554346581 is a wasteful number, since it uses less digits than its factorization.

2554346581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982955.

The product of its digits is 576000, while the sum is 43.

The square root of 2554346581 is about 50540.5439325696. The cubic root of 2554346581 is about 1366.9730140602.

The spelling of 2554346581 in words is "two billion, five hundred fifty-four million, three hundred forty-six thousand, five hundred eighty-one".