5285470657 has 4 divisors (see below), whose sum is σ = 5303510100. Its totient is φ = 5267431216.

The previous prime is 5285470649. The next prime is 5285470703. The reversal of 5285470657 is 7560745825.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5148206001 + 137264656 = 71751^2 + 11716^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285470657 - 2³ = 5285470649 is a prime.

It is a Smith number, since the sum of its digits (49) 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 self number, because there is not a number n which added to its sum of digits gives 5285470657.

It is not an unprimeable number, because it can be changed into a prime (5285471657) 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, 9019282 + ... + 9019867.

It is an arithmetic number, because the mean of its divisors is an integer number (1325877525).

Almost surely, 2^5285470657 is an apocalyptic number.

It is an amenable number.

5285470657 is a deficient number, since it is larger than the sum of its proper divisors (18039443).

5285470657 is a wasteful number, since it uses less digits than its factorization.

5285470657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039442.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 5285470657 is about 72701.2424721889. The cubic root of 5285470657 is about 1741.9187290698.

The spelling of 5285470657 in words is "five billion, two hundred eighty-five million, four hundred seventy thousand, six hundred fifty-seven".