345204611 has 2 divisors, whose sum is σ = 345204612. Its totient is φ = 345204610.

The previous prime is 345204599. The next prime is 345204647. The reversal of 345204611 is 116402543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345204611 - 2¹⁸ = 344942467 is a prime.

It is a super-2 number, since 2×345204611² = 238332446911322642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345204011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172602305 + 172602306.

It is an arithmetic number, because the mean of its divisors is an integer number (172602306).

Almost surely, 2^345204611 is an apocalyptic number.

345204611 is a deficient number, since it is larger than the sum of its proper divisors (1).

345204611 is an equidigital number, since it uses as much as digits as its factorization.

345204611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 345204611 is about 18579.6827475606. The cubic root of 345204611 is about 701.4965336470.

The spelling of 345204611 in words is "three hundred forty-five million, two hundred four thousand, six hundred eleven".