346140061 has 2 divisors, whose sum is σ = 346140062. Its totient is φ = 346140060.

The previous prime is 346139993. The next prime is 346140071. The reversal of 346140061 is 160041643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345736836 + 403225 = 18594^2 + 635^2 .

It is an emirp because it is prime and its reverse (160041643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346140061 - 2¹³ = 346131869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346140071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173070030 + 173070031.

It is an arithmetic number, because the mean of its divisors is an integer number (173070031).

Almost surely, 2^346140061 is an apocalyptic number.

It is an amenable number.

346140061 is a deficient number, since it is larger than the sum of its proper divisors (1).

346140061 is an equidigital number, since it uses as much as digits as its factorization.

346140061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 346140061 is about 18604.8397198148. The cubic root of 346140061 is about 702.1296104330.

The spelling of 346140061 in words is "three hundred forty-six million, one hundred forty thousand, sixty-one".