3253981 has 2 divisors, whose sum is σ = 3253982. Its totient is φ = 3253980.

The previous prime is 3253967. The next prime is 3254023. The reversal of 3253981 is 1893523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1602756 = 1285^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 3253981 - 2⁵ = 3253949 is a prime.

It is a super-2 number, since 2×3253981² = 21176784696722, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3253961) 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 as a sum of consecutive naturals, namely, 1626990 + 1626991.

It is an arithmetic number, because the mean of its divisors is an integer number (1626991).

Almost surely, 2^3253981 is an apocalyptic number.

It is an amenable number.

3253981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3253981 is an equidigital number, since it uses as much as digits as its factorization.

3253981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3253981 is about 1803.8794305607. The cubic root of 3253981 is about 148.1852592392.

The spelling of 3253981 in words is "three million, two hundred fifty-three thousand, nine hundred eighty-one".