3531389 has 2 divisors, whose sum is σ = 3531390. Its totient is φ = 3531388.

The previous prime is 3531383. The next prime is 3531403. The reversal of 3531389 is 9831353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 1452025 = 1442^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 3531389 - 2²⁰ = 2482813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3531383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765694 + 1765695.

It is an arithmetic number, because the mean of its divisors is an integer number (1765695).

Almost surely, 2^3531389 is an apocalyptic number.

It is an amenable number.

3531389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531389 is an equidigital number, since it uses as much as digits as its factorization.

3531389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 3531389 is about 1879.1990315025. The cubic root of 3531389 is about 152.2819817539.

The spelling of 3531389 in words is "three million, five hundred thirty-one thousand, three hundred eighty-nine".