2257065205 has 8 divisors (see below), whose sum is σ = 2795848704. Its totient is φ = 1747405200.

The previous prime is 2257065203. The next prime is 2257065229. The reversal of 2257065205 is 5025607522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2257065205 - 2¹ = 2257065203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257065203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7280701 + ... + 7281010.

It is an arithmetic number, because the mean of its divisors is an integer number (349481088).

Almost surely, 2^2257065205 is an apocalyptic number.

It is an amenable number.

2257065205 is a deficient number, since it is larger than the sum of its proper divisors (538783499).

2257065205 is a wasteful number, since it uses less digits than its factorization.

2257065205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14561747.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2257065205 is about 47508.5803302940. The cubic root of 2257065205 is about 1311.7408251207.

The spelling of 2257065205 in words is "two billion, two hundred fifty-seven million, sixty-five thousand, two hundred five".