2552981605 has 16 divisors (see below), whose sum is σ = 3095729280. Its totient is φ = 2021061952.

The previous prime is 2552981597. The next prime is 2552981633. The reversal of 2552981605 is 5061892552.

It is a cyclic number.

It is not a de Polignac number, because 2552981605 - 2³ = 2552981597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182811 + ... + 196279.

It is an arithmetic number, because the mean of its divisors is an integer number (193483080).

Almost surely, 2^2552981605 is an apocalyptic number.

It is an amenable number.

2552981605 is a deficient number, since it is larger than the sum of its proper divisors (542747675).

2552981605 is a wasteful number, since it uses less digits than its factorization.

2552981605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 2552981605 is about 50527.0383557160. The cubic root of 2552981605 is about 1366.7294791344.

The spelling of 2552981605 in words is "two billion, five hundred fifty-two million, nine hundred eighty-one thousand, six hundred five".