514478869 has 2 divisors, whose sum is σ = 514478870. Its totient is φ = 514478868.

The previous prime is 514478857. The next prime is 514478891. The reversal of 514478869 is 968874415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304083844 + 210395025 = 17438^2 + 14505^2 .

It is a cyclic number.

It is not a de Polignac number, because 514478869 - 2¹¹ = 514476821 is a prime.

It is a super-2 number, since 2×514478869² = 529377013295038322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514418869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257239434 + 257239435.

It is an arithmetic number, because the mean of its divisors is an integer number (257239435).

Almost surely, 2^514478869 is an apocalyptic number.

It is an amenable number.

514478869 is a deficient number, since it is larger than the sum of its proper divisors (1).

514478869 is an equidigital number, since it uses as much as digits as its factorization.

514478869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 514478869 is about 22682.1266419179. The cubic root of 514478869 is about 801.2889995888.

The spelling of 514478869 in words is "five hundred fourteen million, four hundred seventy-eight thousand, eight hundred sixty-nine".