2547090091 has 24 divisors (see below), whose sum is σ = 3181184160. Its totient is φ = 1996690176.

The previous prime is 2547090041. The next prime is 2547090181. The reversal of 2547090091 is 1900907452.

2547090091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2547090091 - 2¹¹ = 2547088043 is a prime.

It is a super-3 number, since 3×2547090091³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2547090091.

It is not an unprimeable number, because it can be changed into a prime (2547090031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119071 + ... + 138823.

It is an arithmetic number, because the mean of its divisors is an integer number (132549340).

Almost surely, 2^2547090091 is an apocalyptic number.

2547090091 is a deficient number, since it is larger than the sum of its proper divisors (634094069).

2547090091 is a wasteful number, since it uses less digits than its factorization.

2547090091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19895 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2547090091 is about 50468.7040749017. The cubic root of 2547090091 is about 1365.6773357967.

The spelling of 2547090091 in words is "two billion, five hundred forty-seven million, ninety thousand, ninety-one".