3261403 has 2 divisors, whose sum is σ = 3261404. Its totient is φ = 3261402.

The previous prime is 3261397. The next prime is 3261413. The reversal of 3261403 is 3041623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3261403 - 2⁵ = 3261371 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3261413) 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, 1630701 + 1630702.

It is an arithmetic number, because the mean of its divisors is an integer number (1630702).

Almost surely, 2^3261403 is an apocalyptic number.

3261403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261403 is an equidigital number, since it uses as much as digits as its factorization.

3261403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3261403 is about 1805.9354916497. The cubic root of 3261403 is about 148.2978388610.

The spelling of 3261403 in words is "three million, two hundred sixty-one thousand, four hundred three".