5315985 has 24 divisors (see below), whose sum is σ = 9757800. Its totient is φ = 2668032.

The previous prime is 5315977. The next prime is 5315987. The reversal of 5315985 is 5895135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2108304 + 3207681 = 1452^2 + 1791^2 .

It is not a de Polignac number, because 5315985 - 2³ = 5315977 is a prime.

5315985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5315987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2710 + ... + 4239.

It is an arithmetic number, because the mean of its divisors is an integer number (406575).

Almost surely, 2^5315985 is an apocalyptic number.

It is an amenable number.

5315985 is a deficient number, since it is larger than the sum of its proper divisors (4441815).

5315985 is a wasteful number, since it uses less digits than its factorization.

5315985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977 (or 6974 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 5315985 is about 2305.6419930249. The cubic root of 5315985 is about 174.5264476078.

The spelling of 5315985 in words is "five million, three hundred fifteen thousand, nine hundred eighty-five".