514247917 has 2 divisors, whose sum is σ = 514247918. Its totient is φ = 514247916.

The previous prime is 514247891. The next prime is 514247947. The reversal of 514247917 is 719742415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514110276 + 137641 = 22674^2 + 371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514247917 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 514247917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514247947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257123958 + 257123959.

It is an arithmetic number, because the mean of its divisors is an integer number (257123959).

Almost surely, 2^514247917 is an apocalyptic number.

It is an amenable number.

514247917 is a deficient number, since it is larger than the sum of its proper divisors (1).

514247917 is an equidigital number, since it uses as much as digits as its factorization.

514247917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 514247917 is about 22677.0350134227. The cubic root of 514247917 is about 801.1690808345.

The spelling of 514247917 in words is "five hundred fourteen million, two hundred forty-seven thousand, nine hundred seventeen".