514909387 has 2 divisors, whose sum is σ = 514909388. Its totient is φ = 514909386.

The previous prime is 514909337. The next prime is 514909399. The reversal of 514909387 is 783909415.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 514909387 - 2⁷ = 514909259 is a prime.

It is not a weakly prime, because it can be changed into another prime (514909337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257454693 + 257454694.

It is an arithmetic number, because the mean of its divisors is an integer number (257454694).

Almost surely, 2^514909387 is an apocalyptic number.

514909387 is a deficient number, since it is larger than the sum of its proper divisors (1).

514909387 is an equidigital number, since it uses as much as digits as its factorization.

514909387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 514909387 is about 22691.6149050701. The cubic root of 514909387 is about 801.5124445665.

The spelling of 514909387 in words is "five hundred fourteen million, nine hundred nine thousand, three hundred eighty-seven".