514487917 has 2 divisors, whose sum is σ = 514487918. Its totient is φ = 514487916.

The previous prime is 514487893. The next prime is 514487921. The reversal of 514487917 is 719784415.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280428516 + 234059401 = 16746^2 + 15299^2 .

It is a cyclic number.

It is not a de Polignac number, because 514487917 - 2²³ = 506099309 is a prime.

It is equal to p_27077689 and since 514487917 and 27077689 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514487117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257243958 + 257243959.

It is an arithmetic number, because the mean of its divisors is an integer number (257243959).

Almost surely, 2^514487917 is an apocalyptic number.

It is an amenable number.

514487917 is a deficient number, since it is larger than the sum of its proper divisors (1).

514487917 is an equidigital number, since it uses as much as digits as its factorization.

514487917 is an evil number, because the sum of its binary digits is even.

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

The square root of 514487917 is about 22682.3260932383. The cubic root of 514487917 is about 801.2936969118.

The spelling of 514487917 in words is "five hundred fourteen million, four hundred eighty-seven thousand, nine hundred seventeen".