2545606771 has 8 divisors (see below), whose sum is σ = 2626139264. Its totient is φ = 2465691840.

The previous prime is 2545606769. The next prime is 2545606849. The reversal of 2545606771 is 1776065452.

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

It is not a de Polignac number, because 2545606771 - 2¹ = 2545606769 is a prime.

It is a super-2 number, since 2×2545606771² = 12960227665122092882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545606711) 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, 146010 + ... + 162511.

It is an arithmetic number, because the mean of its divisors is an integer number (328267408).

Almost surely, 2^2545606771 is an apocalyptic number.

2545606771 is a deficient number, since it is larger than the sum of its proper divisors (80532493).

2545606771 is a wasteful number, since it uses less digits than its factorization.

2545606771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308781.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 2545606771 is about 50454.0064910607. The cubic root of 2545606771 is about 1365.4121796387.

The spelling of 2545606771 in words is "two billion, five hundred forty-five million, six hundred six thousand, seven hundred seventy-one".