320154613 has 2 divisors, whose sum is σ = 320154614. Its totient is φ = 320154612.

The previous prime is 320154607. The next prime is 320154619. The reversal of 320154613 is 316451023.

It is a balanced prime because it is at equal distance from previous prime (320154607) and next prime (320154619).

It can be written as a sum of positive squares in only one way, i.e., 276157924 + 43996689 = 16618^2 + 6633^2 .

It is a cyclic number.

It is not a de Polignac number, because 320154613 - 2⁹ = 320154101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320154619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160077306 + 160077307.

It is an arithmetic number, because the mean of its divisors is an integer number (160077307).

Almost surely, 2^320154613 is an apocalyptic number.

It is an amenable number.

320154613 is a deficient number, since it is larger than the sum of its proper divisors (1).

320154613 is an equidigital number, since it uses as much as digits as its factorization.

320154613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 320154613 is about 17892.8648628441. The cubic root of 320154613 is about 684.1005211465.

The spelling of 320154613 in words is "three hundred twenty million, one hundred fifty-four thousand, six hundred thirteen".