3005481 has 16 divisors (see below), whose sum is σ = 4382208. Its totient is φ = 1824000.

The previous prime is 3005459. The next prime is 3005489. The reversal of 3005481 is 1845003.

It is not a de Polignac number, because 3005481 - 2⁵ = 3005449 is a prime.

It is a super-2 number, since 2×3005481² = 18065832082722, which contains 22 as substring.

3005481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3005489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (273888).

Almost surely, 2^3005481 is an apocalyptic number.

3005481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3005481 is a deficient number, since it is larger than the sum of its proper divisors (1376727).

3005481 is a wasteful number, since it uses less digits than its factorization.

3005481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3005481 is about 1733.6323139582. The cubic root of 3005481 is about 144.3127365935.

It can be divided in two parts, 30054 and 81, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 3005481 in words is "three million, five thousand, four hundred eighty-one".