345434503 has 2 divisors, whose sum is σ = 345434504. Its totient is φ = 345434502.

The previous prime is 345434489. The next prime is 345434527. The reversal of 345434503 is 305434543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345434503 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345434533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172717251 + 172717252.

It is an arithmetic number, because the mean of its divisors is an integer number (172717252).

Almost surely, 2^345434503 is an apocalyptic number.

345434503 is a deficient number, since it is larger than the sum of its proper divisors (1).

345434503 is an equidigital number, since it uses as much as digits as its factorization.

345434503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 345434503 is about 18585.8683681985. The cubic root of 345434503 is about 701.6522216553.

The spelling of 345434503 in words is "three hundred forty-five million, four hundred thirty-four thousand, five hundred three".