5691257585 has 16 divisors (see below), whose sum is σ = 7427684880. Its totient is φ = 4161158400.

The previous prime is 5691257573. The next prime is 5691257617. The reversal of 5691257585 is 5857521965.

It can be written as a sum of positive squares in 8 ways, for example, as 238764304 + 5452493281 = 15452^2 + 73841^2 .

It is not a de Polignac number, because 5691257585 - 2⁸ = 5691257329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426890 + ... + 440019.

It is an arithmetic number, because the mean of its divisors is an integer number (464230305).

Almost surely, 2^5691257585 is an apocalyptic number.

It is an amenable number.

5691257585 is a deficient number, since it is larger than the sum of its proper divisors (1736427295).

5691257585 is a wasteful number, since it uses less digits than its factorization.

5691257585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867028.

The product of its digits is 3780000, while the sum is 53.

The square root of 5691257585 is about 75440.4240775461. The cubic root of 5691257585 is about 1785.4022621772.

The spelling of 5691257585 in words is "five billion, six hundred ninety-one million, two hundred fifty-seven thousand, five hundred eighty-five".