2257546291 has 16 divisors (see below), whose sum is σ = 3031112448. Its totient is φ = 1623808800.

The previous prime is 2257546279. The next prime is 2257546337. The reversal of 2257546291 is 1926457522.

2257546291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2257546291 - 2⁹ = 2257545779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2257546261) 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, 1126645 + ... + 1128646.

It is an arithmetic number, because the mean of its divisors is an integer number (189444528).

Almost surely, 2^2257546291 is an apocalyptic number.

2257546291 is a deficient number, since it is larger than the sum of its proper divisors (773566157).

2257546291 is a wasteful number, since it uses less digits than its factorization.

2257546291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255322.

The product of its digits is 302400, while the sum is 43.

The square root of 2257546291 is about 47513.6432090826. The cubic root of 2257546291 is about 1311.8340162426.

The spelling of 2257546291 in words is "two billion, two hundred fifty-seven million, five hundred forty-six thousand, two hundred ninety-one".