514318397 has 2 divisors, whose sum is σ = 514318398. Its totient is φ = 514318396.

The previous prime is 514318369. The next prime is 514318481. The reversal of 514318397 is 793813415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383924836 + 130393561 = 19594^2 + 11419^2 .

It is a cyclic number.

It is not a de Polignac number, because 514318397 - 2⁶ = 514318333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514318367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257159198 + 257159199.

It is an arithmetic number, because the mean of its divisors is an integer number (257159199).

Almost surely, 2^514318397 is an apocalyptic number.

It is an amenable number.

514318397 is a deficient number, since it is larger than the sum of its proper divisors (1).

514318397 is an equidigital number, since it uses as much as digits as its factorization.

514318397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 514318397 is about 22678.5889552238. The cubic root of 514318397 is about 801.2056804430.

The spelling of 514318397 in words is "five hundred fourteen million, three hundred eighteen thousand, three hundred ninety-seven".