257461348 has 6 divisors (see below), whose sum is σ = 450557366. Its totient is φ = 128730672.

The previous prime is 257461327. The next prime is 257461349. The reversal of 257461348 is 843164752.

It can be written as a sum of positive squares in only one way, i.e., 163021824 + 94439524 = 12768^2 + 9718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 257461348.

It is not an unprimeable number, because it can be changed into a prime (257461349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32182665 + ... + 32182672.

Almost surely, 2^257461348 is an apocalyptic number.

It is an amenable number.

257461348 is a deficient number, since it is larger than the sum of its proper divisors (193096018).

257461348 is a wasteful number, since it uses less digits than its factorization.

257461348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64365341 (or 64365339 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 257461348 is about 16045.6021389040. The cubic root of 257461348 is about 636.1663297943.

The spelling of 257461348 in words is "two hundred fifty-seven million, four hundred sixty-one thousand, three hundred forty-eight".