3217249 has 4 divisors (see below), whose sum is σ = 3676864. Its totient is φ = 2757636.

The previous prime is 3217243. The next prime is 3217297. The reversal of 3217249 is 9427123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9427123 = 61 ⋅154543.

It is not a de Polignac number, because 3217249 - 2³ = 3217241 is a prime.

It is a super-2 number, since 2×3217249² = 20701382256002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3217241) 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, 229797 + ... + 229810.

It is an arithmetic number, because the mean of its divisors is an integer number (919216).

Almost surely, 2^3217249 is an apocalyptic number.

It is an amenable number.

3217249 is a deficient number, since it is larger than the sum of its proper divisors (459615).

3217249 is an equidigital number, since it uses as much as digits as its factorization.

3217249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459614.

The product of its digits is 3024, while the sum is 28.

The square root of 3217249 is about 1793.6691445191. The cubic root of 3217249 is about 147.6255600401.

The spelling of 3217249 in words is "three million, two hundred seventeen thousand, two hundred forty-nine".