514947871 has 2 divisors, whose sum is σ = 514947872. Its totient is φ = 514947870.

The previous prime is 514947869. The next prime is 514947883. The reversal of 514947871 is 178749415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 514947871 - 2¹ = 514947869 is a prime.

Together with 514947869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514947071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257473935 + 257473936.

It is an arithmetic number, because the mean of its divisors is an integer number (257473936).

Almost surely, 2^514947871 is an apocalyptic number.

514947871 is a deficient number, since it is larger than the sum of its proper divisors (1).

514947871 is an equidigital number, since it uses as much as digits as its factorization.

514947871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The square root of 514947871 is about 22692.4628676572. The cubic root of 514947871 is about 801.5324122458.

The spelling of 514947871 in words is "five hundred fourteen million, nine hundred forty-seven thousand, eight hundred seventy-one".