3251481 has 4 divisors (see below), whose sum is σ = 4335312. Its totient is φ = 2167652.

The previous prime is 3251473. The next prime is 3251503. The reversal of 3251481 is 1841523.

3251481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1841523 = 3 ⋅613841.

It is a cyclic number.

It is not a de Polignac number, because 3251481 - 2³ = 3251473 is a prime.

It is a super-2 number, since 2×3251481² = 21144257386722, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3251411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541911 + ... + 541916.

It is an arithmetic number, because the mean of its divisors is an integer number (1083828).

Almost surely, 2^3251481 is an apocalyptic number.

It is an amenable number.

3251481 is a deficient number, since it is larger than the sum of its proper divisors (1083831).

3251481 is a wasteful number, since it uses less digits than its factorization.

3251481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083830.

The product of its digits is 960, while the sum is 24.

The square root of 3251481 is about 1803.1863464434. The cubic root of 3251481 is about 148.1472997814.

The spelling of 3251481 in words is "three million, two hundred fifty-one thousand, four hundred eighty-one".