514040389 has 2 divisors, whose sum is σ = 514040390. Its totient is φ = 514040388.

The previous prime is 514040381. The next prime is 514040413. The reversal of 514040389 is 983040415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338928100 + 175112289 = 18410^2 + 13233^2 .

It is a cyclic number.

It is not a de Polignac number, because 514040389 - 2³ = 514040381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514040381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257020194 + 257020195.

It is an arithmetic number, because the mean of its divisors is an integer number (257020195).

Almost surely, 2^514040389 is an apocalyptic number.

It is an amenable number.

514040389 is a deficient number, since it is larger than the sum of its proper divisors (1).

514040389 is an equidigital number, since it uses as much as digits as its factorization.

514040389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 514040389 is about 22672.4588212218. The cubic root of 514040389 is about 801.0612940502.

The spelling of 514040389 in words is "five hundred fourteen million, forty thousand, three hundred eighty-nine".