3172481 has 8 divisors (see below), whose sum is σ = 3432744. Its totient is φ = 2914560.

The previous prime is 3172471. The next prime is 3172501. The reversal of 3172481 is 1842713.

It can be written as a sum of positive squares in 4 ways, for example, as 78400 + 3094081 = 280^2 + 1759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3172481 is a prime.

It is a super-2 number, since 2×3172481² = 20129271390722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3172481.

It is not an unprimeable number, because it can be changed into a prime (3172441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161 + ... + 4041.

It is an arithmetic number, because the mean of its divisors is an integer number (429093).

Almost surely, 2^3172481 is an apocalyptic number.

It is an amenable number.

3172481 is a deficient number, since it is larger than the sum of its proper divisors (260263).

3172481 is a wasteful number, since it uses less digits than its factorization.

3172481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its digits is 1344, while the sum is 26.

The square root of 3172481 is about 1781.1459794189. The cubic root of 3172481 is about 146.9376229713.

The spelling of 3172481 in words is "three million, one hundred seventy-two thousand, four hundred eighty-one".