320477 has 2 divisors, whose sum is σ = 320478. Its totient is φ = 320476.

The previous prime is 320471. The next prime is 320483. The reversal of 320477 is 774023.

It is a balanced prime because it is at equal distance from previous prime (320471) and next prime (320483).

It can be written as a sum of positive squares in only one way, i.e., 320356 + 121 = 566^2 + 11^2 .

It is an emirp because it is prime and its reverse (774023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320477 - 2¹⁰ = 319453 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320477.

It is not a weakly prime, because it can be changed into another prime (320471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160238 + 160239.

It is an arithmetic number, because the mean of its divisors is an integer number (160239).

2³²⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

320477 is a deficient number, since it is larger than the sum of its proper divisors (1).

320477 is an equidigital number, since it uses as much as digits as its factorization.

320477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 320477 is about 566.1068803680. The cubic root of 320477 is about 68.4330067663.

It can be divided in two parts, 320 and 477, that added together give a palindrome (797).

The spelling of 320477 in words is "three hundred twenty thousand, four hundred seventy-seven", and thus it is an iban number.