257460367 has 4 divisors (see below), whose sum is σ = 268654320. Its totient is φ = 246266416.

The previous prime is 257460353. The next prime is 257460377. The reversal of 257460367 is 763064752.

257460367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 257460367 - 2²³ = 249071759 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257460377) 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, 5596942 + ... + 5596987.

It is an arithmetic number, because the mean of its divisors is an integer number (67163580).

Almost surely, 2^257460367 is an apocalyptic number.

257460367 is a deficient number, since it is larger than the sum of its proper divisors (11193953).

257460367 is a wasteful number, since it uses less digits than its factorization.

257460367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193952.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 257460367 is about 16045.5715697510. The cubic root of 257460367 is about 636.1655218025.

The spelling of 257460367 in words is "two hundred fifty-seven million, four hundred sixty thousand, three hundred sixty-seven".