345543041 has 2 divisors, whose sum is σ = 345543042. Its totient is φ = 345543040.

The previous prime is 345543001. The next prime is 345543043. The reversal of 345543041 is 140345543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342102016 + 3441025 = 18496^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345543041 is a prime.

Together with 345543043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345542995 and 345543013.

It is not a weakly prime, because it can be changed into another prime (345543043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172771520 + 172771521.

It is an arithmetic number, because the mean of its divisors is an integer number (172771521).

Almost surely, 2^345543041 is an apocalyptic number.

It is an amenable number.

345543041 is a deficient number, since it is larger than the sum of its proper divisors (1).

345543041 is an equidigital number, since it uses as much as digits as its factorization.

345543041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 345543041 is about 18588.7880454859. The cubic root of 345543041 is about 701.7257020144.

Adding to 345543041 its reverse (140345543), we get a palindrome (485888584).

The spelling of 345543041 in words is "three hundred forty-five million, five hundred forty-three thousand, forty-one".