5166445 has 4 divisors (see below), whose sum is σ = 6199740. Its totient is φ = 4133152.

The previous prime is 5166443. The next prime is 5166449. The reversal of 5166445 is 5446615.

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 3175524 + 1990921 = 1782^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166445 - 2¹ = 5166443 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166443) 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, 516640 + ... + 516649.

It is an arithmetic number, because the mean of its divisors is an integer number (1549935).

Almost surely, 2^5166445 is an apocalyptic number.

It is an amenable number.

5166445 is a deficient number, since it is larger than the sum of its proper divisors (1033295).

5166445 is a wasteful number, since it uses less digits than its factorization.

5166445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033294.

The product of its digits is 14400, while the sum is 31.

The square root of 5166445 is about 2272.9815221422. The cubic root of 5166445 is about 172.8743672280.

The spelling of 5166445 in words is "five million, one hundred sixty-six thousand, four hundred forty-five".