257713226 has 16 divisors (see below), whose sum is σ = 410127360. Its totient is φ = 121111200.

The previous prime is 257713223. The next prime is 257713237. The reversal of 257713226 is 622317752.

257713226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×257713226² = 132832213710654152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (257713223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21875 + ... + 31526.

It is an arithmetic number, because the mean of its divisors is an integer number (25632960).

Almost surely, 2^257713226 is an apocalyptic number.

257713226 is a deficient number, since it is larger than the sum of its proper divisors (152414134).

257713226 is a wasteful number, since it uses less digits than its factorization.

257713226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53549.

The product of its digits is 35280, while the sum is 35.

The square root of 257713226 is about 16053.4490375122. The cubic root of 257713226 is about 636.3737189534.

The spelling of 257713226 in words is "two hundred fifty-seven million, seven hundred thirteen thousand, two hundred twenty-six".