321053 has 2 divisors, whose sum is σ = 321054. Its totient is φ = 321052.

The previous prime is 321047. The next prime is 321073. The reversal of 321053 is 350123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 47524 = 523^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 321053 - 2⁴ = 321037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160526 + 160527.

It is an arithmetic number, because the mean of its divisors is an integer number (160527).

2³²¹⁰⁵³ is an apocalyptic number.

It is an amenable number.

321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

321053 is an equidigital number, since it uses as much as digits as its factorization.

321053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 321053 is about 566.6153898369. The cubic root of 321053 is about 68.4739809186.

Adding to 321053 its reverse (350123), we get a palindrome (671176).

The spelling of 321053 in words is "three hundred twenty-one thousand, fifty-three".