2545751571 has 32 divisors (see below), whose sum is σ = 3759402240. Its totient is φ = 1519516800.

The previous prime is 2545751567. The next prime is 2545751587. The reversal of 2545751571 is 1751575452.

It is not a de Polignac number, because 2545751571 - 2² = 2545751567 is a prime.

It is a super-2 number, since 2×2545751571² = 12961702122497936082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2545751521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620236 + ... + 624326.

It is an arithmetic number, because the mean of its divisors is an integer number (117481320).

Almost surely, 2^2545751571 is an apocalyptic number.

2545751571 is a deficient number, since it is larger than the sum of its proper divisors (1213650669).

2545751571 is a wasteful number, since it uses less digits than its factorization.

2545751571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387.

The product of its digits is 245000, while the sum is 42.

The square root of 2545751571 is about 50455.4414409388. The cubic root of 2545751571 is about 1365.4380684153.

It can be divided in two parts, 25457 and 51571, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 2545751571 in words is "two billion, five hundred forty-five million, seven hundred fifty-one thousand, five hundred seventy-one".