3148513 has 6 divisors (see below), whose sum is σ = 3228902. Its totient is φ = 3070080.

The previous prime is 3148511. The next prime is 3148517. The reversal of 3148513 is 3158413.

It can be written as a sum of positive squares in 3 ways, for example, as 677329 + 2471184 = 823^2 + 1572^2 .

It is not a de Polignac number, because 3148513 - 2¹ = 3148511 is a prime.

It is a super-2 number, since 2×3148513² = 19826268222338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745 + ... + 2617.

Almost surely, 2^3148513 is an apocalyptic number.

It is an amenable number.

3148513 is a deficient number, since it is larger than the sum of its proper divisors (80389).

3148513 is an equidigital number, since it uses as much as digits as its factorization.

3148513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1914 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 3148513 is about 1774.4049706874. The cubic root of 3148513 is about 146.5666507054.

The spelling of 3148513 in words is "three million, one hundred forty-eight thousand, five hundred thirteen".