3164509 has 4 divisors (see below), whose sum is σ = 3273660. Its totient is φ = 3055360.

The previous prime is 3164479. The next prime is 3164519. The reversal of 3164509 is 9054613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9054613 = 233 ⋅38861.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 1898884 = 1125^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164509 - 2¹³ = 3156317 is a prime.

It is a super-2 number, since 2×3164509² = 20028234422162, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3164519) 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, 54532 + ... + 54589.

It is an arithmetic number, because the mean of its divisors is an integer number (818415).

Almost surely, 2^3164509 is an apocalyptic number.

It is an amenable number.

3164509 is a deficient number, since it is larger than the sum of its proper divisors (109151).

3164509 is a wasteful number, since it uses less digits than its factorization.

3164509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109150.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3164509 is about 1778.9066867039. The cubic root of 3164509 is about 146.8144418522.

The spelling of 3164509 in words is "three million, one hundred sixty-four thousand, five hundred nine".