345750481 has 2 divisors, whose sum is σ = 345750482. Its totient is φ = 345750480.

The previous prime is 345750479. The next prime is 345750523. The reversal of 345750481 is 184057543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 5716881 = 18440^2 + 2391^2 .

It is a cyclic number.

It is not a de Polignac number, because 345750481 - 2¹ = 345750479 is a prime.

It is a super-2 number, since 2×345750481² = 239086790223462722, which contains 22 as substring.

Together with 345750479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345750481.

It is not a weakly prime, because it can be changed into another prime (345757481) 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, 172875240 + 172875241.

It is an arithmetic number, because the mean of its divisors is an integer number (172875241).

Almost surely, 2^345750481 is an apocalyptic number.

It is an amenable number.

345750481 is a deficient number, since it is larger than the sum of its proper divisors (1).

345750481 is an equidigital number, since it uses as much as digits as its factorization.

345750481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 345750481 is about 18594.3669158162. The cubic root of 345750481 is about 701.8660963530.

The spelling of 345750481 in words is "three hundred forty-five million, seven hundred fifty thousand, four hundred eighty-one".