3543997 has 2 divisors, whose sum is σ = 3543998. Its totient is φ = 3543996.

The previous prime is 3543983. The next prime is 3544027. The reversal of 3543997 is 7993453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 948676 = 1611^2 + 974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3543997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3543797) 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, 1771998 + 1771999.

It is an arithmetic number, because the mean of its divisors is an integer number (1771999).

Almost surely, 2^3543997 is an apocalyptic number.

It is an amenable number.

3543997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543997 is an equidigital number, since it uses as much as digits as its factorization.

3543997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 3543997 is about 1882.5506633289. The cubic root of 3543997 is about 152.4629955902.

The spelling of 3543997 in words is "three million, five hundred forty-three thousand, nine hundred ninety-seven".