345180811 has 2 divisors, whose sum is σ = 345180812. Its totient is φ = 345180810.

The previous prime is 345180751. The next prime is 345180827. The reversal of 345180811 is 118081543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345180811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345180841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172590405 + 172590406.

It is an arithmetic number, because the mean of its divisors is an integer number (172590406).

Almost surely, 2^345180811 is an apocalyptic number.

345180811 is a deficient number, since it is larger than the sum of its proper divisors (1).

345180811 is an equidigital number, since it uses as much as digits as its factorization.

345180811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 345180811 is about 18579.0422519569. The cubic root of 345180811 is about 701.4804118064.

The spelling of 345180811 in words is "three hundred forty-five million, one hundred eighty thousand, eight hundred eleven".