257486850 has 60 divisors (see below), whose sum is σ = 715443234. Its totient is φ = 68662080.

The previous prime is 257486849. The next prime is 257486869. The reversal of 257486850 is 58684752.

257486850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 243266409 + 14220441 = 15597^2 + 3771^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 257486796 and 257486805.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27739 + ... + 35838.

Almost surely, 2^257486850 is an apocalyptic number.

257486850 is an abundant number, since it is smaller than the sum of its proper divisors (457956384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257486850 is a wasteful number, since it uses less digits than its factorization.

257486850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63601 (or 63587 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 257486850 is about 16046.3967918034. The cubic root of 257486850 is about 636.1873335660.

The spelling of 257486850 in words is "two hundred fifty-seven million, four hundred eighty-six thousand, eight hundred fifty".