514540217 has 2 divisors, whose sum is σ = 514540218. Its totient is φ = 514540216.

The previous prime is 514540109. The next prime is 514540249. The reversal of 514540217 is 712045415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482944576 + 31595641 = 21976^2 + 5621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514540217 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 514540217.

It is not a weakly prime, because it can be changed into another prime (514540267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257270108 + 257270109.

It is an arithmetic number, because the mean of its divisors is an integer number (257270109).

Almost surely, 2^514540217 is an apocalyptic number.

It is an amenable number.

514540217 is a deficient number, since it is larger than the sum of its proper divisors (1).

514540217 is an equidigital number, since it uses as much as digits as its factorization.

514540217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 514540217 is about 22683.4789439363. The cubic root of 514540217 is about 801.3208476890.

The spelling of 514540217 in words is "five hundred fourteen million, five hundred forty thousand, two hundred seventeen".