609541 has 2 divisors, whose sum is σ = 609542. Its totient is φ = 609540.

The previous prime is 609533. The next prime is 609571. The reversal of 609541 is 145906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 16641 = 770^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 609541 - 2³ = 609533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304770 + 304771.

It is an arithmetic number, because the mean of its divisors is an integer number (304771).

2⁶⁰⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

609541 is a deficient number, since it is larger than the sum of its proper divisors (1).

609541 is an equidigital number, since it uses as much as digits as its factorization.

609541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 609541 is about 780.7310676539. The cubic root of 609541 is about 84.7879837162.

The spelling of 609541 in words is "six hundred nine thousand, five hundred forty-one".