3481531 has 4 divisors (see below), whose sum is σ = 3540600. Its totient is φ = 3422464.

The previous prime is 3481529. The next prime is 3481553. The reversal of 3481531 is 1351843.

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 3481531 - 2¹ = 3481529 is a prime.

It is a super-2 number, since 2×3481531² = 24242116207922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3481496 and 3481505.

It is not an unprimeable number, because it can be changed into a prime (3481561) 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, 29446 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (885150).

Almost surely, 2^3481531 is an apocalyptic number.

3481531 is a deficient number, since it is larger than the sum of its proper divisors (59069).

3481531 is an equidigital number, since it uses as much as digits as its factorization.

3481531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59068.

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

The square root of 3481531 is about 1865.8861165677. The cubic root of 3481531 is about 151.5619166945.

The spelling of 3481531 in words is "three million, four hundred eighty-one thousand, five hundred thirty-one".