345460991 has 2 divisors, whose sum is σ = 345460992. Its totient is φ = 345460990.

The previous prime is 345460987. The next prime is 345461071. The reversal of 345460991 is 199064543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345460991 - 2² = 345460987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345460901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172730495 + 172730496.

It is an arithmetic number, because the mean of its divisors is an integer number (172730496).

Almost surely, 2^345460991 is an apocalyptic number.

345460991 is a deficient number, since it is larger than the sum of its proper divisors (1).

345460991 is an equidigital number, since it uses as much as digits as its factorization.

345460991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 345460991 is about 18586.5809389462. The cubic root of 345460991 is about 701.6701554834.

The spelling of 345460991 in words is "three hundred forty-five million, four hundred sixty thousand, nine hundred ninety-one".