320352154541 has 2 divisors, whose sum is σ = 320352154542. Its totient is φ = 320352154540.

The previous prime is 320352154517. The next prime is 320352154553. The reversal of 320352154541 is 145451253023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302092037641 + 18260116900 = 549629^2 + 135130^2 .

It is a cyclic number.

It is not a de Polignac number, because 320352154541 - 2³⁴ = 303172285357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320352154741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160176077270 + 160176077271.

It is an arithmetic number, because the mean of its divisors is an integer number (160176077271).

Almost surely, 2^320352154541 is an apocalyptic number.

It is an amenable number.

320352154541 is a deficient number, since it is larger than the sum of its proper divisors (1).

320352154541 is an equidigital number, since it uses as much as digits as its factorization.

320352154541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 320352154541 in words is "three hundred twenty billion, three hundred fifty-two million, one hundred fifty-four thousand, five hundred forty-one".