33164497 has 4 divisors (see below), whose sum is σ = 33188260. Its totient is φ = 33140736.

The previous prime is 33164491. The next prime is 33164503. The reversal of 33164497 is 79446133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79446133 = 13 ⋅6111241.

It is an interprime number because it is at equal distance from previous prime (33164491) and next prime (33164503).

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 30902481 = 1504^2 + 5559^2 .

It is a cyclic number.

It is not a de Polignac number, because 33164497 - 2³ = 33164489 is a prime.

It is a super-2 number, since 2×33164497² = 2199767722526018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33164491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648 + ... + 12625.

It is an arithmetic number, because the mean of its divisors is an integer number (8297065).

Almost surely, 2^33164497 is an apocalyptic number.

It is an amenable number.

33164497 is a deficient number, since it is larger than the sum of its proper divisors (23763).

33164497 is a wasteful number, since it uses less digits than its factorization.

33164497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23762.

The product of its digits is 54432, while the sum is 37.

The square root of 33164497 is about 5758.8624744823. The cubic root of 33164497 is about 321.2855092545.

The spelling of 33164497 in words is "thirty-three million, one hundred sixty-four thousand, four hundred ninety-seven".