5287144 has 8 divisors (see below), whose sum is σ = 9913410. Its totient is φ = 2643568.

The previous prime is 5287141. The next prime is 5287147. The reversal of 5287144 is 4417825.

It is an interprime number because it is at equal distance from previous prime (5287141) and next prime (5287147).

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 1790244 = 1870^2 + 1338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5287141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330439 + ... + 330454.

Almost surely, 2^5287144 is an apocalyptic number.

It is an amenable number.

5287144 is a deficient number, since it is larger than the sum of its proper divisors (4626266).

5287144 is a wasteful number, since it uses less digits than its factorization.

5287144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660899 (or 660895 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 5287144 is about 2299.3790466124. The cubic root of 5287144 is about 174.2102536098.

The spelling of 5287144 in words is "five million, two hundred eighty-seven thousand, one hundred forty-four".