3539573 has 2 divisors, whose sum is σ = 3539574. Its totient is φ = 3539572.

The previous prime is 3539561. The next prime is 3539579. The reversal of 3539573 is 3759353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 128164 = 1847^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 3539573 - 2⁶ = 3539509 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3539579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769786 + 1769787.

It is an arithmetic number, because the mean of its divisors is an integer number (1769787).

Almost surely, 2^3539573 is an apocalyptic number.

It is an amenable number.

3539573 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539573 is an equidigital number, since it uses as much as digits as its factorization.

3539573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42525, while the sum is 35.

The square root of 3539573 is about 1881.3752948309. The cubic root of 3539573 is about 152.3995289124.

The spelling of 3539573 in words is "three million, five hundred thirty-nine thousand, five hundred seventy-three".