514000391 has 2 divisors, whose sum is σ = 514000392. Its totient is φ = 514000390.

The previous prime is 514000387. The next prime is 514000427. The reversal of 514000391 is 193000415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 514000391 - 2² = 514000387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514000691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257000195 + 257000196.

It is an arithmetic number, because the mean of its divisors is an integer number (257000196).

Almost surely, 2^514000391 is an apocalyptic number.

514000391 is a deficient number, since it is larger than the sum of its proper divisors (1).

514000391 is an equidigital number, since it uses as much as digits as its factorization.

514000391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 514000391 is about 22671.5767206430. The cubic root of 514000391 is about 801.0405163828.

The spelling of 514000391 in words is "five hundred fourteen million, three hundred ninety-one", and thus it is an aban number.