7164985 has 4 divisors (see below), whose sum is σ = 8597988. Its totient is φ = 5731984.

The previous prime is 7164953. The next prime is 7165003. The reversal of 7164985 is 5894617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5894617 = 19 ⋅310243.

It can be written as a sum of positive squares in 2 ways, for example, as 4247721 + 2917264 = 2061^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 7164985 - 2⁵ = 7164953 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716494 + ... + 716503.

It is an arithmetic number, because the mean of its divisors is an integer number (2149497).

Almost surely, 2^7164985 is an apocalyptic number.

It is an amenable number.

7164985 is a deficient number, since it is larger than the sum of its proper divisors (1433003).

7164985 is a wasteful number, since it uses less digits than its factorization.

7164985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433002.

The product of its digits is 60480, while the sum is 40.

The square root of 7164985 is about 2676.7489609599. The cubic root of 7164985 is about 192.7843439391.

It can be divided in two parts, 71 and 64985, that added together give a palindrome (65056).

The spelling of 7164985 in words is "seven million, one hundred sixty-four thousand, nine hundred eighty-five".