345060811 has 2 divisors, whose sum is σ = 345060812. Its totient is φ = 345060810.

The previous prime is 345060761. The next prime is 345060817. The reversal of 345060811 is 118060543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345060811 - 2²¹ = 342963659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345060811.

It is not a weakly prime, because it can be changed into another prime (345060817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172530405 + 172530406.

It is an arithmetic number, because the mean of its divisors is an integer number (172530406).

Almost surely, 2^345060811 is an apocalyptic number.

345060811 is a deficient number, since it is larger than the sum of its proper divisors (1).

345060811 is an equidigital number, since it uses as much as digits as its factorization.

345060811 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 28.

The square root of 345060811 is about 18575.8125259704. The cubic root of 345060811 is about 701.3991139250.

It can be divided in two parts, 3450 and 60811, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 345060811 in words is "three hundred forty-five million, sixty thousand, eight hundred eleven".