1085064257 has 8 divisors (see below), whose sum is σ = 1119396096. Its totient is φ = 1050995952.

The previous prime is 1085064199. The next prime is 1085064259. The reversal of 1085064257 is 7524605801.

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

It is not a de Polignac number, because 1085064257 - 2²⁸ = 816628801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085064257.

It is not an unprimeable number, because it can be changed into a prime (1085064259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57503 + ... + 74004.

It is an arithmetic number, because the mean of its divisors is an integer number (139924512).

Almost surely, 2^1085064257 is an apocalyptic number.

It is an amenable number.

1085064257 is a deficient number, since it is larger than the sum of its proper divisors (34331839).

1085064257 is a wasteful number, since it uses less digits than its factorization.

1085064257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131767.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1085064257 is about 32940.3135534560. The cubic root of 1085064257 is about 1027.5867267545.

The spelling of 1085064257 in words is "one billion, eighty-five million, sixty-four thousand, two hundred fifty-seven".