320461061 has 4 divisors (see below), whose sum is σ = 320540832. Its totient is φ = 320381292.

The previous prime is 320461039. The next prime is 320461073. The reversal of 320461061 is 160164023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320461061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320461081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33521 + ... + 42006.

It is an arithmetic number, because the mean of its divisors is an integer number (80135208).

Almost surely, 2^320461061 is an apocalyptic number.

It is an amenable number.

320461061 is a deficient number, since it is larger than the sum of its proper divisors (79771).

320461061 is an equidigital number, since it uses as much as digits as its factorization.

320461061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79770.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 320461061 is about 17901.4262280970. The cubic root of 320461061 is about 684.3187223685.

The spelling of 320461061 in words is "three hundred twenty million, four hundred sixty-one thousand, sixty-one".