393070061 has 2 divisors, whose sum is σ = 393070062. Its totient is φ = 393070060.

The previous prime is 393070057. The next prime is 393070087. The reversal of 393070061 is 160070393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302934025 + 90136036 = 17405^2 + 9494^2 .

It is a cyclic number.

It is not a de Polignac number, because 393070061 - 2² = 393070057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393070021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196535030 + 196535031.

It is an arithmetic number, because the mean of its divisors is an integer number (196535031).

Almost surely, 2^393070061 is an apocalyptic number.

It is an amenable number.

393070061 is a deficient number, since it is larger than the sum of its proper divisors (1).

393070061 is an equidigital number, since it uses as much as digits as its factorization.

393070061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 393070061 is about 19825.9945778264. The cubic root of 393070061 is about 732.5264690082.

The spelling of 393070061 in words is "three hundred ninety-three million, seventy thousand, sixty-one".