257741223 has 16 divisors (see below), whose sum is σ = 364333056. Its totient is φ = 161788320.

The previous prime is 257741219. The next prime is 257741227. The reversal of 257741223 is 322147752.

It is an interprime number because it is at equal distance from previous prime (257741219) and next prime (257741227).

It is not a de Polignac number, because 257741223 - 2² = 257741219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257741227) 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 15 ways as a sum of consecutive naturals, for example, 34011 + ... + 40892.

It is an arithmetic number, because the mean of its divisors is an integer number (22770816).

Almost surely, 2^257741223 is an apocalyptic number.

257741223 is a deficient number, since it is larger than the sum of its proper divisors (106591833).

257741223 is a wasteful number, since it uses less digits than its factorization.

257741223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74974.

The product of its digits is 23520, while the sum is 33.

The square root of 257741223 is about 16054.3210071308. The cubic root of 257741223 is about 636.3967625384.

Adding to 257741223 its reverse (322147752), we get a palindrome (579888975).

The spelling of 257741223 in words is "two hundred fifty-seven million, seven hundred forty-one thousand, two hundred twenty-three".