328615061 has 2 divisors, whose sum is σ = 328615062. Its totient is φ = 328615060.

The previous prime is 328615039. The next prime is 328615163. The reversal of 328615061 is 160516823.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171112561 + 157502500 = 13081^2 + 12550^2 .

It is a cyclic number.

It is not a de Polignac number, because 328615061 - 2¹⁰ = 328614037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328615031) 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 as a sum of consecutive naturals, namely, 164307530 + 164307531.

It is an arithmetic number, because the mean of its divisors is an integer number (164307531).

Almost surely, 2^328615061 is an apocalyptic number.

It is an amenable number.

328615061 is a deficient number, since it is larger than the sum of its proper divisors (1).

328615061 is an equidigital number, since it uses as much as digits as its factorization.

328615061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 328615061 is about 18127.7428545310. The cubic root of 328615061 is about 690.0742488188.

The spelling of 328615061 in words is "three hundred twenty-eight million, six hundred fifteen thousand, sixty-one".