465243289 has 6 divisors (see below), whose sum is σ = 541201434. Its totient is φ = 398779920.

The previous prime is 465243263. The next prime is 465243307. The reversal of 465243289 is 982342564.

It can be written as a sum of positive squares in only one way, i.e., 435431689 + 29811600 = 20867^2 + 5460^2 .

It is not a de Polignac number, because 465243289 - 2⁹ = 465242777 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465243209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4747332 + ... + 4747429.

It is an arithmetic number, because the mean of its divisors is an integer number (90200239).

Almost surely, 2^465243289 is an apocalyptic number.

465243289 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

465243289 is a deficient number, since it is larger than the sum of its proper divisors (75958145).

465243289 is an equidigital number, since it uses as much as digits as its factorization.

465243289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494775 (or 9494768 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 465243289 is about 21569.4990437887. The cubic root of 465243289 is about 774.8661795999.

The spelling of 465243289 in words is "four hundred sixty-five million, two hundred forty-three thousand, two hundred eighty-nine".