3533861 has 2 divisors, whose sum is σ = 3533862. Its totient is φ = 3533860.

The previous prime is 3533851. The next prime is 3533863. The reversal of 3533861 is 1683353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2869636 + 664225 = 1694^2 + 815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3533861 is a prime.

Together with 3533863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3533863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766930 + 1766931.

It is an arithmetic number, because the mean of its divisors is an integer number (1766931).

Almost surely, 2^3533861 is an apocalyptic number.

It is an amenable number.

3533861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3533861 is an equidigital number, since it uses as much as digits as its factorization.

3533861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 3533861 is about 1879.8566434705. The cubic root of 3533861 is about 152.3175063266.

The spelling of 3533861 in words is "three million, five hundred thirty-three thousand, eight hundred sixty-one".