345050947 has 2 divisors, whose sum is σ = 345050948. Its totient is φ = 345050946.

The previous prime is 345050929. The next prime is 345050969. The reversal of 345050947 is 749050543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345050947 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (345050647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172525473 + 172525474.

It is an arithmetic number, because the mean of its divisors is an integer number (172525474).

Almost surely, 2^345050947 is an apocalyptic number.

345050947 is a deficient number, since it is larger than the sum of its proper divisors (1).

345050947 is an equidigital number, since it uses as much as digits as its factorization.

345050947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 345050947 is about 18575.5470175174. The cubic root of 345050947 is about 701.3924304008.

The spelling of 345050947 in words is "three hundred forty-five million, fifty thousand, nine hundred forty-seven".