345550927 has 2 divisors, whose sum is σ = 345550928. Its totient is φ = 345550926.

The previous prime is 345550903. The next prime is 345550939. The reversal of 345550927 is 729055543.

It is a strong prime.

It is an emirp because it is prime and its reverse (729055543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345550927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345550927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345550987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172775463 + 172775464.

It is an arithmetic number, because the mean of its divisors is an integer number (172775464).

Almost surely, 2^345550927 is an apocalyptic number.

345550927 is a deficient number, since it is larger than the sum of its proper divisors (1).

345550927 is an equidigital number, since it uses as much as digits as its factorization.

345550927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 345550927 is about 18589.0001613858. Note that the first 3 decimals coincide. The cubic root of 345550927 is about 701.7310402464.

The spelling of 345550927 in words is "three hundred forty-five million, five hundred fifty thousand, nine hundred twenty-seven".