345301081 has 2 divisors, whose sum is σ = 345301082. Its totient is φ = 345301080.

The previous prime is 345301039. The next prime is 345301109. The reversal of 345301081 is 180103543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345216400 + 84681 = 18580^2 + 291^2 .

It is a cyclic number.

It is not a de Polignac number, because 345301081 - 2⁷ = 345300953 is a prime.

It is a super-2 number, since 2×345301081² = 238465673079537122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345301031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172650540 + 172650541.

It is an arithmetic number, because the mean of its divisors is an integer number (172650541).

Almost surely, 2^345301081 is an apocalyptic number.

It is an amenable number.

345301081 is a deficient number, since it is larger than the sum of its proper divisors (1).

345301081 is an equidigital number, since it uses as much as digits as its factorization.

345301081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 345301081 is about 18582.2786815826. The cubic root of 345301081 is about 701.5618737048.

The spelling of 345301081 in words is "three hundred forty-five million, three hundred one thousand, eighty-one".