3172241 has 4 divisors (see below), whose sum is σ = 3177792. Its totient is φ = 3166692.

The previous prime is 3172237. The next prime is 3172243. The reversal of 3172241 is 1422713.

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: 1422713 = 17 ⋅83689.

It is a cyclic number.

It is not a de Polignac number, because 3172241 - 2² = 3172237 is a prime.

It is a super-2 number, since 2×3172241² = 20126225924162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172243) 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, 1805 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (794448).

Almost surely, 2^3172241 is an apocalyptic number.

It is an amenable number.

3172241 is a deficient number, since it is larger than the sum of its proper divisors (5551).

3172241 is an equidigital number, since it uses as much as digits as its factorization.

3172241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550.

The product of its digits is 336, while the sum is 20.

The square root of 3172241 is about 1781.0786057892. The cubic root of 3172241 is about 146.9339175728.

Adding to 3172241 its reverse (1422713), we get a palindrome (4594954).

The spelling of 3172241 in words is "three million, one hundred seventy-two thousand, two hundred forty-one".