3257663 has 2 divisors, whose sum is σ = 3257664. Its totient is φ = 3257662.

The previous prime is 3257641. The next prime is 3257671. The reversal of 3257663 is 3667523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3257663 is a prime.

It is a super-2 number, since 2×3257663² = 21224736443138, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3257603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628831 + 1628832.

It is an arithmetic number, because the mean of its divisors is an integer number (1628832).

Almost surely, 2^3257663 is an apocalyptic number.

3257663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3257663 is an equidigital number, since it uses as much as digits as its factorization.

3257663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 3257663 is about 1804.8997202061. The cubic root of 3257663 is about 148.2411305404.

The spelling of 3257663 in words is "three million, two hundred fifty-seven thousand, six hundred sixty-three".