3381531 has 4 divisors (see below), whose sum is σ = 4508712. Its totient is φ = 2254352.

The previous prime is 3381527. The next prime is 3381551. The reversal of 3381531 is 1351833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3381531 - 2² = 3381527 is a prime.

It is a super-2 number, since 2×3381531² = 22869503807922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3381551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563586 + ... + 563591.

It is an arithmetic number, because the mean of its divisors is an integer number (1127178).

Almost surely, 2^3381531 is an apocalyptic number.

3381531 is a deficient number, since it is larger than the sum of its proper divisors (1127181).

3381531 is a wasteful number, since it uses less digits than its factorization.

3381531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127180.

The product of its digits is 1080, while the sum is 24.

The square root of 3381531 is about 1838.8939610538. The cubic root of 3381531 is about 150.0966932116.

The spelling of 3381531 in words is "three million, three hundred eighty-one thousand, five hundred thirty-one".