2257551743 has 4 divisors (see below), whose sum is σ = 2261562168. Its totient is φ = 2253541320.

The previous prime is 2257551733. The next prime is 2257551757. The reversal of 2257551743 is 3471557522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257551743 - 2¹⁴ = 2257535359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2257551743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257551733) 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 3 ways as a sum of consecutive naturals, for example, 2004368 + ... + 2005493.

It is an arithmetic number, because the mean of its divisors is an integer number (565390542).

Almost surely, 2^2257551743 is an apocalyptic number.

2257551743 is a deficient number, since it is larger than the sum of its proper divisors (4010425).

2257551743 is an equidigital number, since it uses as much as digits as its factorization.

2257551743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010424.

The product of its digits is 294000, while the sum is 41.

The square root of 2257551743 is about 47513.7005820426. The cubic root of 2257551743 is about 1311.8350722731.

The spelling of 2257551743 in words is "two billion, two hundred fifty-seven million, five hundred fifty-one thousand, seven hundred forty-three".