3512881 has 4 divisors (see below), whose sum is σ = 3547764. Its totient is φ = 3478000.

The previous prime is 3512869. The next prime is 3512909. The reversal of 3512881 is 1882153.

3512881 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 1032256 = 1575^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 3512881 - 2⁵ = 3512849 is a prime.

It is a super-2 number, since 2×3512881² = 24680665840322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3512851) 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, 17290 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (886941).

Almost surely, 2^3512881 is an apocalyptic number.

It is an amenable number.

3512881 is a deficient number, since it is larger than the sum of its proper divisors (34883).

3512881 is a wasteful number, since it uses less digits than its factorization.

3512881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34882.

The product of its digits is 1920, while the sum is 28.

The square root of 3512881 is about 1874.2681238286. The cubic root of 3512881 is about 152.0154791484.

The spelling of 3512881 in words is "three million, five hundred twelve thousand, eight hundred eighty-one".