591061 has 2 divisors, whose sum is σ = 591062. Its totient is φ = 591060.

The previous prime is 591053. The next prime is 591067. The reversal of 591061 is 160195.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 28561 = 750^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 591061 - 2³ = 591053 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (591067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295530 + 295531.

It is an arithmetic number, because the mean of its divisors is an integer number (295531).

2⁵⁹¹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

591061 is a deficient number, since it is larger than the sum of its proper divisors (1).

591061 is an equidigital number, since it uses as much as digits as its factorization.

591061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 591061 is about 768.8049167377. The cubic root of 591061 is about 83.9223110120.

The spelling of 591061 in words is "five hundred ninety-one thousand, sixty-one".