3255981 has 4 divisors (see below), whose sum is σ = 4341312. Its totient is φ = 2170652.

The previous prime is 3255979. The next prime is 3255983. The reversal of 3255981 is 1895523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3255979) and next prime (3255983).

It is a cyclic number.

It is not a de Polignac number, because 3255981 - 2¹ = 3255979 is a prime.

It is a super-2 number, since 2×3255981² = 21202824544722, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255983) 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, 542661 + ... + 542666.

It is an arithmetic number, because the mean of its divisors is an integer number (1085328).

Almost surely, 2^3255981 is an apocalyptic number.

It is an amenable number.

3255981 is a deficient number, since it is larger than the sum of its proper divisors (1085331).

3255981 is a wasteful number, since it uses less digits than its factorization.

3255981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085330.

The product of its digits is 10800, while the sum is 33.

The square root of 3255981 is about 1804.4337061804. The cubic root of 3255981 is about 148.2156128091.

It can be divided in two parts, 32559 and 81, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 3255981 in words is "three million, two hundred fifty-five thousand, nine hundred eighty-one".