320364461 has 2 divisors, whose sum is σ = 320364462. Its totient is φ = 320364460.

The previous prime is 320364449. The next prime is 320364523. The reversal of 320364461 is 164463023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275394025 + 44970436 = 16595^2 + 6706^2 .

It is an emirp because it is prime and its reverse (164463023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320364461 - 2⁶ = 320364397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320364761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160182230 + 160182231.

It is an arithmetic number, because the mean of its divisors is an integer number (160182231).

Almost surely, 2^320364461 is an apocalyptic number.

It is an amenable number.

320364461 is a deficient number, since it is larger than the sum of its proper divisors (1).

320364461 is an equidigital number, since it uses as much as digits as its factorization.

320364461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 320364461 is about 17898.7279156928. The cubic root of 320364461 is about 684.2499549581.

The spelling of 320364461 in words is "three hundred twenty million, three hundred sixty-four thousand, four hundred sixty-one".