3148481 has 4 divisors (see below), whose sum is σ = 3598272. Its totient is φ = 2698692.

The previous prime is 3148477. The next prime is 3148487. The reversal of 3148481 is 1848413.

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: 1848413 = 7 ⋅264059.

It is a cyclic number.

It is not a de Polignac number, because 3148481 - 2² = 3148477 is a prime.

It is a super-2 number, since 2×3148481² = 19825865214722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148487) 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 3 ways as a sum of consecutive naturals, for example, 224885 + ... + 224898.

It is an arithmetic number, because the mean of its divisors is an integer number (899568).

Almost surely, 2^3148481 is an apocalyptic number.

It is an amenable number.

3148481 is a deficient number, since it is larger than the sum of its proper divisors (449791).

3148481 is an equidigital number, since it uses as much as digits as its factorization.

3148481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449790.

The product of its digits is 3072, while the sum is 29.

The square root of 3148481 is about 1774.3959535572. The cubic root of 3148481 is about 146.5661541590.

The spelling of 3148481 in words is "three million, one hundred forty-eight thousand, four hundred eighty-one".