321482957 has 2 divisors, whose sum is σ = 321482958. Its totient is φ = 321482956.

The previous prime is 321482939. The next prime is 321482981. The reversal of 321482957 is 759284123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294088201 + 27394756 = 17149^2 + 5234^2 .

It is a cyclic number.

It is not a de Polignac number, because 321482957 - 2¹⁰ = 321481933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321482657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160741478 + 160741479.

It is an arithmetic number, because the mean of its divisors is an integer number (160741479).

Almost surely, 2^321482957 is an apocalyptic number.

It is an amenable number.

321482957 is a deficient number, since it is larger than the sum of its proper divisors (1).

321482957 is an equidigital number, since it uses as much as digits as its factorization.

321482957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 321482957 is about 17929.9458169845. The cubic root of 321482957 is about 685.0453426927.

The spelling of 321482957 in words is "three hundred twenty-one million, four hundred eighty-two thousand, nine hundred fifty-seven".