385156601 has 2 divisors, whose sum is σ = 385156602. Its totient is φ = 385156600.

The previous prime is 385156579. The next prime is 385156613. The reversal of 385156601 is 106651583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385101376 + 55225 = 19624^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 385156601 - 2⁶ = 385156537 is a prime.

It is not a weakly prime, because it can be changed into another prime (385156631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192578300 + 192578301.

It is an arithmetic number, because the mean of its divisors is an integer number (192578301).

Almost surely, 2^385156601 is an apocalyptic number.

It is an amenable number.

385156601 is a deficient number, since it is larger than the sum of its proper divisors (1).

385156601 is an equidigital number, since it uses as much as digits as its factorization.

385156601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 385156601 is about 19625.4070276262. The cubic root of 385156601 is about 727.5772569041.

The spelling of 385156601 in words is "three hundred eighty-five million, one hundred fifty-six thousand, six hundred one".