257361226 has 8 divisors (see below), whose sum is σ = 391479264. Its totient is φ = 126868140.

The previous prime is 257361217. The next prime is 257361227. The reversal of 257361226 is 622163752.

257361226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 257361191 and 257361200.

It is not an unprimeable number, because it can be changed into a prime (257361227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906060 + ... + 906343.

It is an arithmetic number, because the mean of its divisors is an integer number (48934908).

Almost surely, 2^257361226 is an apocalyptic number.

257361226 is a deficient number, since it is larger than the sum of its proper divisors (134118038).

257361226 is a wasteful number, since it uses less digits than its factorization.

257361226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812476.

The product of its digits is 30240, while the sum is 34.

The square root of 257361226 is about 16042.4819152150. The cubic root of 257361226 is about 636.0838546266.

It can be divided in two parts, 25736 and 1226, that added together give a palindrome (26962).

The spelling of 257361226 in words is "two hundred fifty-seven million, three hundred sixty-one thousand, two hundred twenty-six".