514823989 has 2 divisors, whose sum is σ = 514823990. Its totient is φ = 514823988.

The previous prime is 514823983. The next prime is 514824001. The reversal of 514823989 is 989328415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508141764 + 6682225 = 22542^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 514823989 - 2¹⁷ = 514692917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514823983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257411994 + 257411995.

It is an arithmetic number, because the mean of its divisors is an integer number (257411995).

Almost surely, 2^514823989 is an apocalyptic number.

It is an amenable number.

514823989 is a deficient number, since it is larger than the sum of its proper divisors (1).

514823989 is an equidigital number, since it uses as much as digits as its factorization.

514823989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 514823989 is about 22689.7331187478. The cubic root of 514823989 is about 801.4681316927.

The spelling of 514823989 in words is "five hundred fourteen million, eight hundred twenty-three thousand, nine hundred eighty-nine".