257127214 has 16 divisors (see below), whose sum is σ = 392169600. Its totient is φ = 126421600.

The previous prime is 257127203. The next prime is 257127223. The reversal of 257127214 is 412721752.

It is a super-2 number, since 2×257127214² = 132228808358803592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25827 + ... + 34369.

It is an arithmetic number, because the mean of its divisors is an integer number (24510600).

Almost surely, 2^257127214 is an apocalyptic number.

257127214 is a deficient number, since it is larger than the sum of its proper divisors (135042386).

257127214 is a wasteful number, since it uses less digits than its factorization.

257127214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795.

The product of its digits is 7840, while the sum is 31.

The square root of 257127214 is about 16035.1867466519. The cubic root of 257127214 is about 635.8910045540.

Adding to 257127214 its reverse (412721752), we get a palindrome (669848966).

The spelling of 257127214 in words is "two hundred fifty-seven million, one hundred twenty-seven thousand, two hundred fourteen".