2545738727 has 16 divisors (see below), whose sum is σ = 2940349440. Its totient is φ = 2158983072.

The previous prime is 2545738703. The next prime is 2545738751. The reversal of 2545738727 is 7278375452.

It is an interprime number because it is at equal distance from previous prime (2545738703) and next prime (2545738751).

It is a cyclic number.

It is not a de Polignac number, because 2545738727 - 2⁸ = 2545738471 is a prime.

It is a super-2 number, since 2×2545738727² = 12961571332295161058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545734727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256418 + ... + 266160.

It is an arithmetic number, because the mean of its divisors is an integer number (183771840).

Almost surely, 2^2545738727 is an apocalyptic number.

2545738727 is a deficient number, since it is larger than the sum of its proper divisors (394610713).

2545738727 is a wasteful number, since it uses less digits than its factorization.

2545738727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its digits is 3292800, while the sum is 50.

The square root of 2545738727 is about 50455.3141601556. The cubic root of 2545738727 is about 1365.4357720776.

The spelling of 2545738727 in words is "two billion, five hundred forty-five million, seven hundred thirty-eight thousand, seven hundred twenty-seven".