5187745 has 16 divisors (see below), whose sum is σ = 6441552. Its totient is φ = 4008960.

The previous prime is 5187739. The next prime is 5187761. The reversal of 5187745 is 5477815.

It can be written as a sum of positive squares in 8 ways, for example, as 1183744 + 4004001 = 1088^2 + 2001^2 .

It is not a de Polignac number, because 5187745 - 2⁷ = 5187617 is a prime.

It is a Duffinian number.

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, 22149 + ... + 22381.

It is an arithmetic number, because the mean of its divisors is an integer number (402597).

Almost surely, 2^5187745 is an apocalyptic number.

It is an amenable number.

5187745 is a deficient number, since it is larger than the sum of its proper divisors (1253807).

5187745 is a wasteful number, since it uses less digits than its factorization.

5187745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 39200, while the sum is 37.

The square root of 5187745 is about 2277.6621786384. The cubic root of 5187745 is about 173.1116145212. Note that the first 3 decimals are identical.

The spelling of 5187745 in words is "five million, one hundred eighty-seven thousand, seven hundred forty-five".