514340381 has 2 divisors, whose sum is σ = 514340382. Its totient is φ = 514340380.

The previous prime is 514340363. The next prime is 514340383. The reversal of 514340381 is 183043415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494395225 + 19945156 = 22235^2 + 4466^2 .

It is a cyclic number.

It is not a de Polignac number, because 514340381 - 2¹⁸ = 514078237 is a prime.

It is a super-2 number, since 2×514340381² = 529092055054450322, which contains 22 as substring.

Together with 514340383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514340383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257170190 + 257170191.

It is an arithmetic number, because the mean of its divisors is an integer number (257170191).

Almost surely, 2^514340381 is an apocalyptic number.

It is an amenable number.

514340381 is a deficient number, since it is larger than the sum of its proper divisors (1).

514340381 is an equidigital number, since it uses as much as digits as its factorization.

514340381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 514340381 is about 22679.0736362842. The cubic root of 514340381 is about 801.2170958456.

Adding to 514340381 its reverse (183043415), we get a palindrome (697383796).

The spelling of 514340381 in words is "five hundred fourteen million, three hundred forty thousand, three hundred eighty-one".