3457500217 has 2 divisors, whose sum is σ = 3457500218. Its totient is φ = 3457500216.

The previous prime is 3457500181. The next prime is 3457500229. The reversal of 3457500217 is 7120057543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2518935721 + 938564496 = 50189^2 + 30636^2 .

It is an emirp because it is prime and its reverse (7120057543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3457500217 - 2²³ = 3449111609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3457500257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728750108 + 1728750109.

It is an arithmetic number, because the mean of its divisors is an integer number (1728750109).

Almost surely, 2^3457500217 is an apocalyptic number.

It is an amenable number.

3457500217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457500217 is an equidigital number, since it uses as much as digits as its factorization.

3457500217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 3457500217 is about 58800.5120470902. The cubic root of 3457500217 is about 1512.1239961637.

The spelling of 3457500217 in words is "three billion, four hundred fifty-seven million, five hundred thousand, two hundred seventeen".