5162009 has 4 divisors (see below), whose sum is σ = 5213220. Its totient is φ = 5110800.

The previous prime is 5161997. The next prime is 5162011. The reversal of 5162009 is 9002615.

5162009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4963984 + 198025 = 2228^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 5162009 - 2⁴ = 5161993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5162099) 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, 25454 + ... + 25655.

It is an arithmetic number, because the mean of its divisors is an integer number (1303305).

Almost surely, 2^5162009 is an apocalyptic number.

It is an amenable number.

5162009 is a deficient number, since it is larger than the sum of its proper divisors (51211).

5162009 is a wasteful number, since it uses less digits than its factorization.

5162009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51210.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5162009 is about 2272.0055017539. The cubic root of 5162009 is about 172.8248754091.

Subtracting 5162009 from its reverse (9002615), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5162009 in words is "five million, one hundred sixty-two thousand, nine".