514706813 has 2 divisors, whose sum is σ = 514706814. Its totient is φ = 514706812.

The previous prime is 514706779. The next prime is 514706839. The reversal of 514706813 is 318607415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385611769 + 129095044 = 19637^2 + 11362^2 .

It is a cyclic number.

It is not a de Polignac number, because 514706813 - 2⁶ = 514706749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514702813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257353406 + 257353407.

It is an arithmetic number, because the mean of its divisors is an integer number (257353407).

Almost surely, 2^514706813 is an apocalyptic number.

It is an amenable number.

514706813 is a deficient number, since it is larger than the sum of its proper divisors (1).

514706813 is an equidigital number, since it uses as much as digits as its factorization.

514706813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 514706813 is about 22687.1508347787. The cubic root of 514706813 is about 801.4073212943.

The spelling of 514706813 in words is "five hundred fourteen million, seven hundred six thousand, eight hundred thirteen".