345740503 has 2 divisors, whose sum is σ = 345740504. Its totient is φ = 345740502.

The previous prime is 345740501. The next prime is 345740513. The reversal of 345740503 is 305047543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345740503 - 2¹ = 345740501 is a prime.

Together with 345740501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345740501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172870251 + 172870252.

It is an arithmetic number, because the mean of its divisors is an integer number (172870252).

Almost surely, 2^345740503 is an apocalyptic number.

345740503 is a deficient number, since it is larger than the sum of its proper divisors (1).

345740503 is an equidigital number, since it uses as much as digits as its factorization.

345740503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 345740503 is about 18594.0986068161. The cubic root of 345740503 is about 701.8593445790.

The spelling of 345740503 in words is "three hundred forty-five million, seven hundred forty thousand, five hundred three".