257482514 has 8 divisors (see below), whose sum is σ = 386305740. Its totient is φ = 128713936.

The previous prime is 257482513. The next prime is 257482531. The reversal of 257482514 is 415284752.

It can be written as a sum of positive squares in 2 ways, for example, as 245956489 + 11526025 = 15683^2 + 3395^2 .

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

It is not an unprimeable number, because it can be changed into a prime (257482513) 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, 1472 + ... + 22740.

Almost surely, 2^257482514 is an apocalyptic number.

257482514 is a deficient number, since it is larger than the sum of its proper divisors (128823226).

257482514 is a wasteful number, since it uses less digits than its factorization.

257482514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27324.

The product of its digits is 89600, while the sum is 38.

The square root of 257482514 is about 16046.2616830214. The cubic root of 257482514 is about 636.1837624791.

The spelling of 257482514 in words is "two hundred fifty-seven million, four hundred eighty-two thousand, five hundred fourteen".