3512149 has 4 divisors (see below), whose sum is σ = 3718764. Its totient is φ = 3305536.

The previous prime is 3512147. The next prime is 3512167. The reversal of 3512149 is 9412153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9412153 = 29 ⋅324557.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 1580049 = 1390^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 3512149 - 2¹ = 3512147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103282 + ... + 103315.

It is an arithmetic number, because the mean of its divisors is an integer number (929691).

Almost surely, 2^3512149 is an apocalyptic number.

It is an amenable number.

3512149 is a deficient number, since it is larger than the sum of its proper divisors (206615).

3512149 is a wasteful number, since it uses less digits than its factorization.

3512149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206614.

The product of its digits is 1080, while the sum is 25.

The square root of 3512149 is about 1874.0728374319. The cubic root of 3512149 is about 152.0049196238.

It can be divided in two parts, 351 and 2149, that added together give a square (2500 = 50²).

The spelling of 3512149 in words is "three million, five hundred twelve thousand, one hundred forty-nine".